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gayaneshka [121]
3 years ago
10

Solve the equation for x. 4x + 7 = 31

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

<h2>x = 6</h2>

Step-by-step explanation:

4x=7=31\qquad\text{subtract 7 from both sides}\\\\4x+7-7=31-7\\\\4x=24\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{24}{4}\\\\x=6

oksano4ka [1.4K]3 years ago
6 0

4x + 7 = 31

    -7    -7

4x = 24

/4     /4

x = 6 (Answer)

Prove.

4(6) + 7 = 31

24 + 7 = 31

31 = 31

True.

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