2x-1=9x+78

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Solution for 2x-1=9x+78 equation:


Simplifying
2x + -1 = 9x + 78

Reorder the terms:
-1 + 2x = 9x + 78

Reorder the terms:
-1 + 2x = 78 + 9x

Solving
-1 + 2x = 78 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-1 + 2x + -9x = 78 + 9x + -9x

Combine like terms: 2x + -9x = -7x
-1 + -7x = 78 + 9x + -9x

Combine like terms: 9x + -9x = 0
-1 + -7x = 78 + 0
-1 + -7x = 78

Add '1' to each side of the equation.
-1 + 1 + -7x = 78 + 1

Combine like terms: -1 + 1 = 0
0 + -7x = 78 + 1
-7x = 78 + 1

Combine like terms: 78 + 1 = 79
-7x = 79

Divide each side by '-7'.
x = -11.28571429

Simplifying
x = -11.28571429

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