6x+3(6x-7)=99

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Solution for 6x+3(6x-7)=99 equation:


Simplifying
6x + 3(6x + -7) = 99

Reorder the terms:
6x + 3(-7 + 6x) = 99
6x + (-7 * 3 + 6x * 3) = 99
6x + (-21 + 18x) = 99

Reorder the terms:
-21 + 6x + 18x = 99

Combine like terms: 6x + 18x = 24x
-21 + 24x = 99

Solving
-21 + 24x = 99

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 + 24x = 99 + 21

Combine like terms: -21 + 21 = 0
0 + 24x = 99 + 21
24x = 99 + 21

Combine like terms: 99 + 21 = 120
24x = 120

Divide each side by '24'.
x = 5

Simplifying
x = 5

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