Math
posted by Andrew .
Solve each of these systems using the substitution method. Make sure to check your answers !
2x + 3y = 4
x  2y = 5
Question 1 answers
x = 1, y = 2
x = 1, y = 2
x = 1, y = 2
x = 2, y = 1

x = 5 + 2y
2x + 3y = 4
Substitute 5 + 2y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.
Respond to this Question
Similar Questions

Substitution MethodPlz help
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get it.How … 
math
Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? 
math
Can someone please check my work? Solve using substitution method 1. 3x+2y=12 x=526y answer:40.8 I am pretty sure that one is wrong. Solve using elimination method 2. 2r7s=31 7r+2s=24 answer: (230/53,468/53) 3.3x+4y=3 6x+8y=6 
MATH
SYSTEMS OF EQUATIONS CAN BE SOLVED BY GRAPHING OR BY USING SUBSTITUTION OR ELIMINATION. WHAT ARE THE PROS AND CONS OF EACH METHOD? 
math
SYSTEMS OF EQUATIONS CAN BE SOLVED BY GRAPHING OR BY USING SUBSTITUTION OR ELIMINATION. WHA ARE THE PROS AND CONS OF EACH METHOD? 
Linear Equations
Can you please help solve this equation using the substitution method? 
Math Check
Hi! Can someone check my answers? Thanks! Directions: Solve each system by using the elimination method. Make sure to write your answer in (x,y) form. 1.) 3x5y=2 2x+5y=13 2.) 3x+11y=4 2x5y=9 My answers: 1.) (3,7/5) 2.) (17,5) 
Math
(i) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using trigonometric substitution. (ii) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using regular substitution. (iii) Use a right triangle to check that indeed both answers you obtained in parts … 
Question on Integration
(i) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using trigonometric substitution. (ii) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using regular substitution. (iii) Use a right triangle to check that indeed both answers you obtained in parts … 
math
(Systems) how do I solve 5x+3y=2 and x+2y=6 using substition This is what I did X+2y=6 eq.1 5x+3y=2 eq.2 X=3y/5 Sub(x=3y/5) into eq.1 3y/5 + 2y=6 7/5y=6 y=30/7 Sub(y=30/7) into eq.2 5x+3(30/7)=3 5x+90/7=3 5x=69/7 x= 68/35 The …