-3(x+7)=-4x-16

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Solution for -3(x+7)=-4x-16 equation:


Simplifying
-3(x + 7) = -4x + -16

Reorder the terms:
-3(7 + x) = -4x + -16
(7 * -3 + x * -3) = -4x + -16
(-21 + -3x) = -4x + -16

Reorder the terms:
-21 + -3x = -16 + -4x

Solving
-21 + -3x = -16 + -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.
-21 + -3x + 4x = -16 + -4x + 4x

Combine like terms: -3x + 4x = 1x
-21 + 1x = -16 + -4x + 4x

Combine like terms: -4x + 4x = 0
-21 + 1x = -16 + 0
-21 + 1x = -16

Add '21' to each side of the equation.
-21 + 21 + 1x = -16 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = -16 + 21
1x = -16 + 21

Combine like terms: -16 + 21 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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