4-3(x+7)=-4x-20

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Solution for 4-3(x+7)=-4x-20 equation:


Simplifying
4 + -3(x + 7) = -4x + -20

Reorder the terms:
4 + -3(7 + x) = -4x + -20
4 + (7 * -3 + x * -3) = -4x + -20
4 + (-21 + -3x) = -4x + -20

Combine like terms: 4 + -21 = -17
-17 + -3x = -4x + -20

Reorder the terms:
-17 + -3x = -20 + -4x

Solving
-17 + -3x = -20 + -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.
-17 + -3x + 4x = -20 + -4x + 4x

Combine like terms: -3x + 4x = 1x
-17 + 1x = -20 + -4x + 4x

Combine like terms: -4x + 4x = 0
-17 + 1x = -20 + 0
-17 + 1x = -20

Add '17' to each side of the equation.
-17 + 17 + 1x = -20 + 17

Combine like terms: -17 + 17 = 0
0 + 1x = -20 + 17
1x = -20 + 17

Combine like terms: -20 + 17 = -3
1x = -3

Divide each side by '1'.
x = -3

Simplifying
x = -3

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