(4x+6)+(7x+15)=120

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Solution for (4x+6)+(7x+15)=120 equation:


Simplifying
(4x + 6) + (7x + 15) = 120

Reorder the terms:
(6 + 4x) + (7x + 15) = 120

Remove parenthesis around (6 + 4x)
6 + 4x + (7x + 15) = 120

Reorder the terms:
6 + 4x + (15 + 7x) = 120

Remove parenthesis around (15 + 7x)
6 + 4x + 15 + 7x = 120

Reorder the terms:
6 + 15 + 4x + 7x = 120

Combine like terms: 6 + 15 = 21
21 + 4x + 7x = 120

Combine like terms: 4x + 7x = 11x
21 + 11x = 120

Solving
21 + 11x = 120

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 11x = 120 + -21

Combine like terms: 21 + -21 = 0
0 + 11x = 120 + -21
11x = 120 + -21

Combine like terms: 120 + -21 = 99
11x = 99

Divide each side by '11'.
x = 9

Simplifying
x = 9

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