-9=7x+8

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Solution for -9=7x+8 equation:


Simplifying
-9 = 7x + 8

Reorder the terms:
-9 = 8 + 7x

Solving
-9 = 8 + 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 + -7x = 8 + 7x + -7x

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

Add '9' to each side of the equation.
-9 + 9 + -7x = 8 + 9

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

Combine like terms: 8 + 9 = 17
-7x = 17

Divide each side by '-7'.
x = -2.428571429

Simplifying
x = -2.428571429

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