4x+28=-3x-21

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Solution for 4x+28=-3x-21 equation:


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

Reorder the terms:
28 + 4x = -3x + -21

Reorder the terms:
28 + 4x = -21 + -3x

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

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
28 + 4x + 3x = -21 + -3x + 3x

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

Combine like terms: -3x + 3x = 0
28 + 7x = -21 + 0
28 + 7x = -21

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

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

Combine like terms: -21 + -28 = -49
7x = -49

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

Simplifying
x = -7

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