3 years ago

X+2y=-7 if y=-6 what is x pls help

Mathematics

2 answers:

Julli [10]3 years ago

7 0

X+2y=-7..... (1)
y=-6.....(2)
equation (2) into equation (1)
x+2y=-7
x+2(-6)=-7
x-12=-7
x=-7+12
x=5

tatyana61 [14]3 years ago

6 0

Answer:

x = 5

Step-by-step explanation:

x+ 2(-6) = -7

x - 12 = -7

x = 5

check:

5 + 2(-6) = -7

-7 = -7

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