-7(3-2x)-x=7(x+3)

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Solution for -7(3-2x)-x=7(x+3) equation:


Simplifying
-7(3 + -2x) + -1x = 7(x + 3)
(3 * -7 + -2x * -7) + -1x = 7(x + 3)
(-21 + 14x) + -1x = 7(x + 3)

Combine like terms: 14x + -1x = 13x
-21 + 13x = 7(x + 3)

Reorder the terms:
-21 + 13x = 7(3 + x)
-21 + 13x = (3 * 7 + x * 7)
-21 + 13x = (21 + 7x)

Solving
-21 + 13x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-21 + 13x + -7x = 21 + 7x + -7x

Combine like terms: 13x + -7x = 6x
-21 + 6x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
-21 + 6x = 21 + 0
-21 + 6x = 21

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

Combine like terms: -21 + 21 = 0
0 + 6x = 21 + 21
6x = 21 + 21

Combine like terms: 21 + 21 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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