6(x+2)=4x+21

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


Simplifying
6(x + 2) = 4x + 21

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

Reorder the terms:
12 + 6x = 21 + 4x

Solving
12 + 6x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
12 + 6x + -4x = 21 + 4x + -4x

Combine like terms: 6x + -4x = 2x
12 + 2x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + 2x = 21 + 0
12 + 2x = 21

Add '-12' to each side of the equation.
12 + -12 + 2x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 21 + -12
2x = 21 + -12

Combine like terms: 21 + -12 = 9
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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