3x+7+x+8=39

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Solution for 3x+7+x+8=39 equation:


Simplifying
3x + 7 + x + 8 = 39

Reorder the terms:
7 + 8 + 3x + x = 39

Combine like terms: 7 + 8 = 15
15 + 3x + x = 39

Combine like terms: 3x + x = 4x
15 + 4x = 39

Solving
15 + 4x = 39

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 + 4x = 39 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 39 + -15
4x = 39 + -15

Combine like terms: 39 + -15 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6

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