6-3(2x-4)=21(1+x)

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Solution for 6-3(2x-4)=21(1+x) equation:


Simplifying
6 + -3(2x + -4) = 21(1 + x)

Reorder the terms:
6 + -3(-4 + 2x) = 21(1 + x)
6 + (-4 * -3 + 2x * -3) = 21(1 + x)
6 + (12 + -6x) = 21(1 + x)

Combine like terms: 6 + 12 = 18
18 + -6x = 21(1 + x)
18 + -6x = (1 * 21 + x * 21)
18 + -6x = (21 + 21x)

Solving
18 + -6x = 21 + 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.
18 + -6x + -21x = 21 + 21x + -21x

Combine like terms: -6x + -21x = -27x
18 + -27x = 21 + 21x + -21x

Combine like terms: 21x + -21x = 0
18 + -27x = 21 + 0
18 + -27x = 21

Add '-18' to each side of the equation.
18 + -18 + -27x = 21 + -18

Combine like terms: 18 + -18 = 0
0 + -27x = 21 + -18
-27x = 21 + -18

Combine like terms: 21 + -18 = 3
-27x = 3

Divide each side by '-27'.
x = -0.1111111111

Simplifying
x = -0.1111111111

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