3x+5x+7=39

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Solution for 3x+5x+7=39 equation: 


Simplifying
3x + 5x + 7 = 39

Reorder the terms:
7 + 3x + 5x = 39

Combine like terms: 3x + 5x = 8x
7 + 8x = 39

Solving
7 + 8x = 39

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 = 39 + -7

Combine like terms: 7 + -7 = 0
0 + 8x = 39 + -7
8x = 39 + -7

Combine like terms: 39 + -7 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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