Solve by substitution y = -21 – 4x 8x + 8y = -24

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asked Oct 27, 2021 104k views

1 Answer

Manindra Singh · Answer 1 · 2021-11-01T10:22:56+0000

Answer:
x=-6
y=3

Step-by-step explanation:
y=-4x-21
8x+8y=-24

y=-4x-21
8x+8(-4x-21)=-24

y=-4x-21
-24x-168=-24

y=-4x-21
x=-6

y=-4(-6)-21
x=-6

y=3
x=-6

(-6,3) this is in point form in case you need it

Solve by substitution y = -21 – 4x 8x + 8y = -24

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