7u-8=9u-10

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Solution for 7u-8=9u-10 equation:


Simplifying
7u + -8 = 9u + -10

Reorder the terms:
-8 + 7u = 9u + -10

Reorder the terms:
-8 + 7u = -10 + 9u

Solving
-8 + 7u = -10 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-8 + 7u + -9u = -10 + 9u + -9u

Combine like terms: 7u + -9u = -2u
-8 + -2u = -10 + 9u + -9u

Combine like terms: 9u + -9u = 0
-8 + -2u = -10 + 0
-8 + -2u = -10

Add '8' to each side of the equation.
-8 + 8 + -2u = -10 + 8

Combine like terms: -8 + 8 = 0
0 + -2u = -10 + 8
-2u = -10 + 8

Combine like terms: -10 + 8 = -2
-2u = -2

Divide each side by '-2'.
u = 1

Simplifying
u = 1

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