Question

Solve the system by substitution.
4x + 7y = -41
x = y + 5

Answer 1

x=-6/11, y=-61/11. (-6/11, -61/11).

Explanation:

4x+7y=-41

x=y+5

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4(y+5)+7y=-41

4y+20+7y=-41

11y=-41-20

11y=-61

y=-61/11

x=-61/11+5=-61/11+55/11=-6/11