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Substitution for y=-8 and y=-2x-12
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Substitution for y=-8 and y=-2x-12

User Mahfuj Asif
by
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2 Answers

0 votes
subsitute -8 for y so
-8=-2x-12
add 12 to both sides
12-8=-2x+12-12
4=-2x+0
4=-2x
divide both sdie sby 2
2=-x
multiply -1
-2=x
User Riegersn
by
8.8k points
3 votes
So,

Substitute -8 for y
-8 = -2x - 12

Add 12 to both sides
4 = -2x

Divide both sides by -2
-2 = x
User Sjas
by
8.3k points
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