8u-3=7u

Solution for 8u-3=7u equation:

Simplifying
8u + -3 = 7u

Reorder the terms:
-3 + 8u = 7u

Solving
-3 + 8u = 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
-3 + 8u + -7u = 7u + -7u

Combine like terms: 8u + -7u = 1u
-3 + 1u = 7u + -7u

Combine like terms: 7u + -7u = 0
-3 + 1u = 0

Add '3' to each side of the equation.
-3 + 3 + 1u = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 1u = 0 + 3
1u = 0 + 3

Combine like terms: 0 + 3 = 3
1u = 3

Divide each side by '1'.
u = 3

Simplifying
u = 3