4(x+3)+5(x+3)=99

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Solution for 4(x+3)+5(x+3)=99 equation:


Simplifying
4(x + 3) + 5(x + 3) = 99

Reorder the terms:
4(3 + x) + 5(x + 3) = 99
(3 * 4 + x * 4) + 5(x + 3) = 99
(12 + 4x) + 5(x + 3) = 99

Reorder the terms:
12 + 4x + 5(3 + x) = 99
12 + 4x + (3 * 5 + x * 5) = 99
12 + 4x + (15 + 5x) = 99

Reorder the terms:
12 + 15 + 4x + 5x = 99

Combine like terms: 12 + 15 = 27
27 + 4x + 5x = 99

Combine like terms: 4x + 5x = 9x
27 + 9x = 99

Solving
27 + 9x = 99

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 9x = 99 + -27

Combine like terms: 27 + -27 = 0
0 + 9x = 99 + -27
9x = 99 + -27

Combine like terms: 99 + -27 = 72
9x = 72

Divide each side by '9'.
x = 8

Simplifying
x = 8

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