-x+4=-8x+25

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Solution for -x+4=-8x+25 equation:


Simplifying
-1x + 4 = -8x + 25

Reorder the terms:
4 + -1x = -8x + 25

Reorder the terms:
4 + -1x = 25 + -8x

Solving
4 + -1x = 25 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
4 + -1x + 8x = 25 + -8x + 8x

Combine like terms: -1x + 8x = 7x
4 + 7x = 25 + -8x + 8x

Combine like terms: -8x + 8x = 0
4 + 7x = 25 + 0
4 + 7x = 25

Add '-4' to each side of the equation.
4 + -4 + 7x = 25 + -4

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

Combine like terms: 25 + -4 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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