7(3x+3)+9(3x+3)=144

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Solution for 7(3x+3)+9(3x+3)=144 equation:


Simplifying
7(3x + 3) + 9(3x + 3) = 144

Reorder the terms:
7(3 + 3x) + 9(3x + 3) = 144
(3 * 7 + 3x * 7) + 9(3x + 3) = 144
(21 + 21x) + 9(3x + 3) = 144

Reorder the terms:
21 + 21x + 9(3 + 3x) = 144
21 + 21x + (3 * 9 + 3x * 9) = 144
21 + 21x + (27 + 27x) = 144

Reorder the terms:
21 + 27 + 21x + 27x = 144

Combine like terms: 21 + 27 = 48
48 + 21x + 27x = 144

Combine like terms: 21x + 27x = 48x
48 + 48x = 144

Solving
48 + 48x = 144

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + 48x = 144 + -48

Combine like terms: 48 + -48 = 0
0 + 48x = 144 + -48
48x = 144 + -48

Combine like terms: 144 + -48 = 96
48x = 96

Divide each side by '48'.
x = 2

Simplifying
x = 2

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