99=3x+3(6x-16)

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Solution for 99=3x+3(6x-16) equation:


Simplifying
99 = 3x + 3(6x + -16)

Reorder the terms:
99 = 3x + 3(-16 + 6x)
99 = 3x + (-16 * 3 + 6x * 3)
99 = 3x + (-48 + 18x)

Reorder the terms:
99 = -48 + 3x + 18x

Combine like terms: 3x + 18x = 21x
99 = -48 + 21x

Solving
99 = -48 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
99 + -21x = -48 + 21x + -21x

Combine like terms: 21x + -21x = 0
99 + -21x = -48 + 0
99 + -21x = -48

Add '-99' to each side of the equation.
99 + -99 + -21x = -48 + -99

Combine like terms: 99 + -99 = 0
0 + -21x = -48 + -99
-21x = -48 + -99

Combine like terms: -48 + -99 = -147
-21x = -147

Divide each side by '-21'.
x = 7

Simplifying
x = 7

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