9x-1=8x+4

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

Simplifying
9x + -1 = 8x + 4

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

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

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

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

Combine like terms: 8x + -8x = 0
-1 + 1x = 4 + 0
-1 + 1x = 4

Add '1' to each side of the equation.
-1 + 1 + 1x = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 1x = 4 + 1
1x = 4 + 1

Combine like terms: 4 + 1 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5