9-x=7x+4

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Solution for 9-x=7x+4 equation:


Simplifying
9 + -1x = 7x + 4

Reorder the terms:
9 + -1x = 4 + 7x

Solving
9 + -1x = 4 + 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.
9 + -1x + -7x = 4 + 7x + -7x

Combine like terms: -1x + -7x = -8x
9 + -8x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -8x = 4 + 0
9 + -8x = 4

Add '-9' to each side of the equation.
9 + -9 + -8x = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = 4 + -9
-8x = 4 + -9

Combine like terms: 4 + -9 = -5
-8x = -5

Divide each side by '-8'.
x = 0.625

Simplifying
x = 0.625

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