3x+4-7x=25-7x

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Solution for 3x+4-7x=25-7x equation:


Simplifying
3x + 4 + -7x = 25 + -7x

Reorder the terms:
4 + 3x + -7x = 25 + -7x

Combine like terms: 3x + -7x = -4x
4 + -4x = 25 + -7x

Solving
4 + -4x = 25 + -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.
4 + -4x + 7x = 25 + -7x + 7x

Combine like terms: -4x + 7x = 3x
4 + 3x = 25 + -7x + 7x

Combine like terms: -7x + 7x = 0
4 + 3x = 25 + 0
4 + 3x = 25

Add '-4' to each side of the equation.
4 + -4 + 3x = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 25 + -4
3x = 25 + -4

Combine like terms: 25 + -4 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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