5x+7(x+4)=172

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Solution for 5x+7(x+4)=172 equation:


Simplifying
5x + 7(x + 4) = 172

Reorder the terms:
5x + 7(4 + x) = 172
5x + (4 * 7 + x * 7) = 172
5x + (28 + 7x) = 172

Reorder the terms:
28 + 5x + 7x = 172

Combine like terms: 5x + 7x = 12x
28 + 12x = 172

Solving
28 + 12x = 172

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 12x = 172 + -28

Combine like terms: 28 + -28 = 0
0 + 12x = 172 + -28
12x = 172 + -28

Combine like terms: 172 + -28 = 144
12x = 144

Divide each side by '12'.
x = 12

Simplifying
x = 12

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