-3(x+7)=-28+4x

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Solution for -3(x+7)=-28+4x equation:


Simplifying
-3(x + 7) = -28 + 4x

Reorder the terms:
-3(7 + x) = -28 + 4x
(7 * -3 + x * -3) = -28 + 4x
(-21 + -3x) = -28 + 4x

Solving
-21 + -3x = -28 + 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 = -28 + 4x + -4x

Combine like terms: -3x + -4x = -7x
-21 + -7x = -28 + 4x + -4x

Combine like terms: 4x + -4x = 0
-21 + -7x = -28 + 0
-21 + -7x = -28

Add '21' to each side of the equation.
-21 + 21 + -7x = -28 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = -28 + 21
-7x = -28 + 21

Combine like terms: -28 + 21 = -7
-7x = -7

Divide each side by '-7'.
x = 1

Simplifying
x = 1

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