Answer:
x + 2(-4) = 10
Step-by-step explanation:
Substituting -4 for y in the second equation results in x + 2(-4) = 10. This simplifies to x - 8 = 10 and then x = 18.
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x - 8 = 10
x = -18
y = -4
(-18, -4)
x=1
×+10=11
-10 -10
x = 1
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