7(x+1)+5(x+1)=144

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Solution for 7(x+1)+5(x+1)=144 equation:


Simplifying
7(x + 1) + 5(x + 1) = 144

Reorder the terms:
7(1 + x) + 5(x + 1) = 144
(1 * 7 + x * 7) + 5(x + 1) = 144
(7 + 7x) + 5(x + 1) = 144

Reorder the terms:
7 + 7x + 5(1 + x) = 144
7 + 7x + (1 * 5 + x * 5) = 144
7 + 7x + (5 + 5x) = 144

Reorder the terms:
7 + 5 + 7x + 5x = 144

Combine like terms: 7 + 5 = 12
12 + 7x + 5x = 144

Combine like terms: 7x + 5x = 12x
12 + 12x = 144

Solving
12 + 12x = 144

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 = 144 + -12

Combine like terms: 12 + -12 = 0
0 + 12x = 144 + -12
12x = 144 + -12

Combine like terms: 144 + -12 = 132
12x = 132

Divide each side by '12'.
x = 11

Simplifying
x = 11

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