-3(x+7)=3+x

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


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

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

Solving
-21 + -3x = 3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-21 + -3x + -1x = 3 + x + -1x

Combine like terms: -3x + -1x = -4x
-21 + -4x = 3 + x + -1x

Combine like terms: x + -1x = 0
-21 + -4x = 3 + 0
-21 + -4x = 3

Add '21' to each side of the equation.
-21 + 21 + -4x = 3 + 21

Combine like terms: -21 + 21 = 0
0 + -4x = 3 + 21
-4x = 3 + 21

Combine like terms: 3 + 21 = 24
-4x = 24

Divide each side by '-4'.
x = -6

Simplifying
x = -6

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