-x-9=7x-45

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Solution for -x-9=7x-45 equation:


Simplifying
-1x + -9 = 7x + -45

Reorder the terms:
-9 + -1x = 7x + -45

Reorder the terms:
-9 + -1x = -45 + 7x

Solving
-9 + -1x = -45 + 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 = -45 + 7x + -7x

Combine like terms: -1x + -7x = -8x
-9 + -8x = -45 + 7x + -7x

Combine like terms: 7x + -7x = 0
-9 + -8x = -45 + 0
-9 + -8x = -45

Add '9' to each side of the equation.
-9 + 9 + -8x = -45 + 9

Combine like terms: -9 + 9 = 0
0 + -8x = -45 + 9
-8x = -45 + 9

Combine like terms: -45 + 9 = -36
-8x = -36

Divide each side by '-8'.
x = 4.5

Simplifying
x = 4.5

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