5(x+3)+3x=31

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Solution for 5(x+3)+3x=31 equation:


Simplifying
5(x + 3) + 3x = 31

Reorder the terms:
5(3 + x) + 3x = 31
(3 * 5 + x * 5) + 3x = 31
(15 + 5x) + 3x = 31

Combine like terms: 5x + 3x = 8x
15 + 8x = 31

Solving
15 + 8x = 31

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 8x = 31 + -15

Combine like terms: 15 + -15 = 0
0 + 8x = 31 + -15
8x = 31 + -15

Combine like terms: 31 + -15 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

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