7+7x+7x=77

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Solution for 7+7x+7x=77 equation: 


Simplifying
7 + 7x + 7x = 77

Combine like terms: 7x + 7x = 14x
7 + 14x = 77

Solving
7 + 14x = 77

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 + 14x = 77 + -7

Combine like terms: 7 + -7 = 0
0 + 14x = 77 + -7
14x = 77 + -7

Combine like terms: 77 + -7 = 70
14x = 70

Divide each side by '14'.
x = 5

Simplifying
x = 5

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