28-4x=7-7x

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Solution for 28-4x=7-7x equation:


Simplifying
28 + -4x = 7 + -7x

Solving
28 + -4x = 7 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
28 + -4x + 7x = 7 + -7x + 7x

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

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

Add '-28' to each side of the equation.
28 + -28 + 3x = 7 + -28

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

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

Divide each side by '3'.
x = -7

Simplifying
x = -7

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