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grigory [225]
3 years ago
5

Show some work please or an explanation please. I'll give out brainlest. 3x + 5 = -x -7

Mathematics
2 answers:
Viefleur [7K]3 years ago
7 0

Step-by-step explanation:

3x+x=-7-5

4x=-12

x=-12/4

x=-3

Andre45 [30]3 years ago
5 0

Answer:

x=-3

Step-by-step explanation:

Add x to both sides.

3x+5+x=-7

Simplify  3x+5+x to 4x+5.

4x+5=-7

Subtract 5 from both sides.

4x=-7-5

Simplify  -7-5 to−12.

4x=-12

Divide both sides by 4.

x=− 12/4

Simplify 12/4  to 3

<h2><em>​x=−3 </em></h2>

​  

 

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