5+7x+x=45

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Solution for 5+7x+x=45 equation: 


Simplifying
5 + 7x + x = 45

Combine like terms: 7x + x = 8x
5 + 8x = 45

Solving
5 + 8x = 45

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 8x = 45 + -5

Combine like terms: 5 + -5 = 0
0 + 8x = 45 + -5
8x = 45 + -5

Combine like terms: 45 + -5 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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