algebra
posted by cupnnas2002 .
solve the equation for y
4y+5x= 7
I came up with this is, is it right?
y=5x/4+4

algebra 
sammie
x+15=85

algebra 
robby
x + 15 = 85
 15 15 (subtract 15 from both sides of equation to get x alone and keep equation equal.)
x=70 
algebra 
robby
4y + 5x = 7
divide everything by 4 to get y alone
4y/4 + 5x/4 = 7/4
y + 5x/4 = 7/4
subtract 5x/4 from both sides of equation
y +5x/4 = 7/4
5x/4 5x4
________________
y = 5x 7 / 4
5x  7
___________
4
Respond to this Question
Similar Questions

Algebra
Can someone show me step by step how to do this problem to have an example to go by so I will be able to do my other problems. Thanks Solve by substitution 4x12y=5 x+3y=1 I know that you have solve one of the equations. I have picked … 
Algebra 2 (check)
I have some problems that I've answered and I need someone to check to see if I'm right. Im just posting the questons and my answer,if its wrong I'll post my work,so here it is bear with me please and thank you. 1)name which sets of … 
Algebra
Solve the following system of linear inequalities by graphing. x3y>6 3x+2y>12 For the first equation I came up with y<1/3x+2 (I flipped the sign because I divided by a negative) The second equation, y>3/2x+6 For the … 
ALGEBRA
How do you solve the rational equation: (n/n2)+(n/n+2)=(n/n^24) I know that the LCD of the equation is (n+2)(n2) because that is what you get when you factor out the n^24 in the last part of the question. I thought I did it right … 
Elementary Algebra
when working the following equation, I came up with 0/4. Would the final outcome be 0? 
maths
I've to solve the following absolute value equation 8w7=72. I solved the equation and the answers I got were 2 and 16. However the problem is that when I'm checking the equation with the answers it's not coming right. I.E. 8167=72 … 
Algebra II
Solve each equation. Check for extraneous solutions. Solve:x+5=3x7 My answers were: x=6 and x=.5 I don't think they are right though, but I should get 2 answers right? 
Algebra
I was given this answers to a problems I solved but I do not understand what she means hope you can help. Before attempting to solve this quadratic equation, determine how many solutions there will be for this quadratic equation. Explain … 
Algebra
I was given this answers to a problems I solved but I do not understand what she means hope you can help. Before attempting to solve this quadratic equation, determine how many solutions there will be for this quadratic equation. Explain … 
algebra
solve the equations 21E7=0 I came up with 0.33 am I right or wrong