9x-1+4x=8x-7

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Solution for 9x-1+4x=8x-7 equation:


Simplifying
9x + -1 + 4x = 8x + -7

Reorder the terms:
-1 + 9x + 4x = 8x + -7

Combine like terms: 9x + 4x = 13x
-1 + 13x = 8x + -7

Reorder the terms:
-1 + 13x = -7 + 8x

Solving
-1 + 13x = -7 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-1 + 13x + -8x = -7 + 8x + -8x

Combine like terms: 13x + -8x = 5x
-1 + 5x = -7 + 8x + -8x

Combine like terms: 8x + -8x = 0
-1 + 5x = -7 + 0
-1 + 5x = -7

Add '1' to each side of the equation.
-1 + 1 + 5x = -7 + 1

Combine like terms: -1 + 1 = 0
0 + 5x = -7 + 1
5x = -7 + 1

Combine like terms: -7 + 1 = -6
5x = -6

Divide each side by '5'.
x = -1.2

Simplifying
x = -1.2

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