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zaharov [31]
2 years ago
5

-3(4x + 9) = 15( Multi-step Equations)please help:)<3​

Mathematics
2 answers:
Andrej [43]2 years ago
5 0

Answer:

Step-by-step explanation:

-3(4x + 9) = 15

-12x-27=15

-12x=42

x= -7/2

zimovet [89]2 years ago
4 0

Answer:

x = -7/2

Step-by-step explanation:

-3(4x + 9) = 15

Divide 3 on both sides

-3(4x + 9) /3 = 15 /3

Which makes

4x+9=-5

Subtract 9 on both sides

4x+9 -9  = -5   -9

Which makes

4x=-14

So we divide 4

4x  /4 = -14 /4

And we get......

x = -7/2

I hope it's right!

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