7u-1=8u-10

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Solution for 7u-1=8u-10 equation:


Simplifying
7u + -1 = 8u + -10

Reorder the terms:
-1 + 7u = 8u + -10

Reorder the terms:
-1 + 7u = -10 + 8u

Solving
-1 + 7u = -10 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
-1 + 7u + -8u = -10 + 8u + -8u

Combine like terms: 7u + -8u = -1u
-1 + -1u = -10 + 8u + -8u

Combine like terms: 8u + -8u = 0
-1 + -1u = -10 + 0
-1 + -1u = -10

Add '1' to each side of the equation.
-1 + 1 + -1u = -10 + 1

Combine like terms: -1 + 1 = 0
0 + -1u = -10 + 1
-1u = -10 + 1

Combine like terms: -10 + 1 = -9
-1u = -9

Divide each side by '-1'.
u = 9

Simplifying
u = 9

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