153=7x+5x+9

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Solution for 153=7x+5x+9 equation:


Simplifying
153 = 7x + 5x + 9

Reorder the terms:
153 = 9 + 7x + 5x

Combine like terms: 7x + 5x = 12x
153 = 9 + 12x

Solving
153 = 9 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
153 + -12x = 9 + 12x + -12x

Combine like terms: 12x + -12x = 0
153 + -12x = 9 + 0
153 + -12x = 9

Add '-153' to each side of the equation.
153 + -153 + -12x = 9 + -153

Combine like terms: 153 + -153 = 0
0 + -12x = 9 + -153
-12x = 9 + -153

Combine like terms: 9 + -153 = -144
-12x = -144

Divide each side by '-12'.
x = 12

Simplifying
x = 12

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