3x+4x+12=145

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Solution for 3x+4x+12=145 equation:


Simplifying
3x + 4x + 12 = 145

Reorder the terms:
12 + 3x + 4x = 145

Combine like terms: 3x + 4x = 7x
12 + 7x = 145

Solving
12 + 7x = 145

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = 145 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 145 + -12
7x = 145 + -12

Combine like terms: 145 + -12 = 133
7x = 133

Divide each side by '7'.
x = 19

Simplifying
x = 19

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