Question

Solve each system by substitution y=2x-1. 3x+8y=11

Answer 1

x=1, y=1

Explanation:

Sub y=2x-1 into 3x+8y=11

3x+8(2x-1)=11

3x+16x-8=11

19x=11+8

19x=19

x=1

Sub x=1 into y=2x-1

y=2(1)-1

y=2-1

y=1

Answer 2

Since 8+3 already equals 11, x=1 and y=1