Solve the system of equations by the substitution method y = 3x + 7 y = 5x + 8

asked Mar 16, 2021 126k views

0 votes

Solve the system of equations by the substitution method

y = 3x + 7

y = 5x + 8

4.6k points

Please log in or register to add a comment.

4 votes

Answer:

x=0.5

y = 10.5

Explanation:

y = 3x + 7

y = 5x + 8

3x + 7 = 5x + 8

3x - 5x= 8 - 7

2x = 1

x= 1/2

x=0.5

y = 5x + 8

y = 5(0.5) + 8

y = 2.5 + 8

y = 10.5

4.8k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.8m questions

6.3m answers