7(-3x+1)=-20(x+1)

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Solution for 7(-3x+1)=-20(x+1) equation:


Simplifying
7(-3x + 1) = -20(x + 1)

Reorder the terms:
7(1 + -3x) = -20(x + 1)
(1 * 7 + -3x * 7) = -20(x + 1)
(7 + -21x) = -20(x + 1)

Reorder the terms:
7 + -21x = -20(1 + x)
7 + -21x = (1 * -20 + x * -20)
7 + -21x = (-20 + -20x)

Solving
7 + -21x = -20 + -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
7 + -21x + 20x = -20 + -20x + 20x

Combine like terms: -21x + 20x = -1x
7 + -1x = -20 + -20x + 20x

Combine like terms: -20x + 20x = 0
7 + -1x = -20 + 0
7 + -1x = -20

Add '-7' to each side of the equation.
7 + -7 + -1x = -20 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = -20 + -7
-1x = -20 + -7

Combine like terms: -20 + -7 = -27
-1x = -27

Divide each side by '-1'.
x = 27

Simplifying
x = 27

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