3(2x-7)=-x

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


Simplifying
3(2x + -7) = -1x

Reorder the terms:
3(-7 + 2x) = -1x
(-7 * 3 + 2x * 3) = -1x
(-21 + 6x) = -1x

Solving
-21 + 6x = -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-21 + 6x + x = -1x + x

Combine like terms: 6x + x = 7x
-21 + 7x = -1x + x

Combine like terms: -1x + x = 0
-21 + 7x = 0

Add '21' to each side of the equation.
-21 + 21 + 7x = 0 + 21

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

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

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