8u-2=7u-1

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Solution for 8u-2=7u-1 equation:


Simplifying
8u + -2 = 7u + -1

Reorder the terms:
-2 + 8u = 7u + -1

Reorder the terms:
-2 + 8u = -1 + 7u

Solving
-2 + 8u = -1 + 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.
-2 + 8u + -7u = -1 + 7u + -7u

Combine like terms: 8u + -7u = 1u
-2 + 1u = -1 + 7u + -7u

Combine like terms: 7u + -7u = 0
-2 + 1u = -1 + 0
-2 + 1u = -1

Add '2' to each side of the equation.
-2 + 2 + 1u = -1 + 2

Combine like terms: -2 + 2 = 0
0 + 1u = -1 + 2
1u = -1 + 2

Combine like terms: -1 + 2 = 1
1u = 1

Divide each side by '1'.
u = 1

Simplifying
u = 1

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