9x-1+4-4=x+9

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Solution for 9x-1+4-4=x+9 equation:


Simplifying
9x + -1 + 4 + -4 = x + 9

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

Combine like terms: -1 + 4 = 3
3 + -4 + 9x = x + 9

Combine like terms: 3 + -4 = -1
-1 + 9x = x + 9

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

Solving
-1 + 9x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-1 + 9x + -1x = 9 + x + -1x

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

Combine like terms: x + -1x = 0
-1 + 8x = 9 + 0
-1 + 8x = 9

Add '1' to each side of the equation.
-1 + 1 + 8x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 8x = 9 + 1
8x = 9 + 1

Combine like terms: 9 + 1 = 10
8x = 10

Divide each side by '8'.
x = 1.25

Simplifying
x = 1.25

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