-3(x+7)=-4(x-1)

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Solution for -3(x+7)=-4(x-1) equation:


Simplifying
-3(x + 7) = -4(x + -1)

Reorder the terms:
-3(7 + x) = -4(x + -1)
(7 * -3 + x * -3) = -4(x + -1)
(-21 + -3x) = -4(x + -1)

Reorder the terms:
-21 + -3x = -4(-1 + x)
-21 + -3x = (-1 * -4 + x * -4)
-21 + -3x = (4 + -4x)

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

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

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

Add '21' to each side of the equation.
-21 + 21 + 1x = 4 + 21

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

Combine like terms: 4 + 21 = 25
1x = 25

Divide each side by '1'.
x = 25

Simplifying
x = 25

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