39=7(x+7)+3x

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Solution for 39=7(x+7)+3x equation: 


Simplifying
39 = 7(x + 7) + 3x

Reorder the terms:
39 = 7(7 + x) + 3x
39 = (7 * 7 + x * 7) + 3x
39 = (49 + 7x) + 3x

Combine like terms: 7x + 3x = 10x
39 = 49 + 10x

Solving
39 = 49 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
39 + -10x = 49 + 10x + -10x

Combine like terms: 10x + -10x = 0
39 + -10x = 49 + 0
39 + -10x = 49

Add '-39' to each side of the equation.
39 + -39 + -10x = 49 + -39

Combine like terms: 39 + -39 = 0
0 + -10x = 49 + -39
-10x = 49 + -39

Combine like terms: 49 + -39 = 10
-10x = 10

Divide each side by '-10'.
x = -1

Simplifying
x = -1

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