5x+7+3x=31

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Solution for 5x+7+3x=31 equation:


Simplifying
5x + 7 + 3x = 31

Reorder the terms:
7 + 5x + 3x = 31

Combine like terms: 5x + 3x = 8x
7 + 8x = 31

Solving
7 + 8x = 31

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 8x = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 8x = 31 + -7
8x = 31 + -7

Combine like terms: 31 + -7 = 24
8x = 24

Divide each side by '8'.
x = 3

Simplifying
x = 3

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