7x+4+5x=124

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Solution for 7x+4+5x=124 equation: 


Simplifying
7x + 4 + 5x = 124

Reorder the terms:
4 + 7x + 5x = 124

Combine like terms: 7x + 5x = 12x
4 + 12x = 124

Solving
4 + 12x = 124

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 12x = 124 + -4

Combine like terms: 4 + -4 = 0
0 + 12x = 124 + -4
12x = 124 + -4

Combine like terms: 124 + -4 = 120
12x = 120

Divide each side by '12'.
x = 10

Simplifying
x = 10

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