9x+3(x-4)=56

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Solution for 9x+3(x-4)=56 equation:


Simplifying
9x + 3(x + -4) = 56

Reorder the terms:
9x + 3(-4 + x) = 56
9x + (-4 * 3 + x * 3) = 56
9x + (-12 + 3x) = 56

Reorder the terms:
-12 + 9x + 3x = 56

Combine like terms: 9x + 3x = 12x
-12 + 12x = 56

Solving
-12 + 12x = 56

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 + 12x = 56 + 12

Combine like terms: -12 + 12 = 0
0 + 12x = 56 + 12
12x = 56 + 12

Combine like terms: 56 + 12 = 68
12x = 68

Divide each side by '12'.
x = 5.666666667

Simplifying
x = 5.666666667

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