posted by .

Solve the equation
2(x =10)=80

2(x -10)=80

2x - 20 = 80

2x = 100

x = 50

## Similar Questions

1. ### algebra

How do I do substitution equations out of the equations in the system, pick the one that has the least amount of funky numbers. then make that equation equal to either x or y(or any other variable dependin on what kind of systems youre …

You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is more convenient than another method. Describe how you would solve each equation. Give reasons for you answers. …

solve the equation for x: 3x+y=6

solve the equation 2x+y=9 for y

solve the equation 2a=3a+4c for a

solve the equation. 15(x-3)=12x-43
7. ### algebra

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which …
8. ### Algebra 1

What is an equation of a line perpendicular to the line with equation y = 1 - 3x a.y=-3x + 5 b. y=3x + 5 c.y=-1/3x + 5 d. y=1/3x + 5 To solve the linear system below, which substitution of unkowns is proper ?
9. ### 8th grade math HELP URGENT!!!

Solve Each equation by first dividing each side of the equation by the number outside the parentheses. When would you recommend using this method to solve an equation?
10. ### Algebra

There are 4 problems that I don't understand how to solve so, please help me. A numerical explanation with words explanation would be nice. Thank you tutors. Rewrite each equation so it is in the form ax + b = c or x + d/e = f, where …

More Similar Questions