3u+8=2u+7

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Solution for 3u+8=2u+7 equation:


Simplifying
3u + 8 = 2u + 7

Reorder the terms:
8 + 3u = 2u + 7

Reorder the terms:
8 + 3u = 7 + 2u

Solving
8 + 3u = 7 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
8 + 3u + -2u = 7 + 2u + -2u

Combine like terms: 3u + -2u = 1u
8 + 1u = 7 + 2u + -2u

Combine like terms: 2u + -2u = 0
8 + 1u = 7 + 0
8 + 1u = 7

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

Combine like terms: 8 + -8 = 0
0 + 1u = 7 + -8
1u = 7 + -8

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

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

Simplifying
u = -1

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