8+3x+4x=71

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Solution for 8+3x+4x=71 equation: 


Simplifying
8 + 3x + 4x = 71

Combine like terms: 3x + 4x = 7x
8 + 7x = 71

Solving
8 + 7x = 71

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 7x = 71 + -8

Combine like terms: 8 + -8 = 0
0 + 7x = 71 + -8
7x = 71 + -8

Combine like terms: 71 + -8 = 63
7x = 63

Divide each side by '7'.
x = 9

Simplifying
x = 9

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