8u+1=7u+20

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Solution for 8u+1=7u+20 equation: 


Simplifying
8u + 1 = 7u + 20

Reorder the terms:
1 + 8u = 7u + 20

Reorder the terms:
1 + 8u = 20 + 7u

Solving
1 + 8u = 20 + 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.
1 + 8u + -7u = 20 + 7u + -7u

Combine like terms: 8u + -7u = 1u
1 + 1u = 20 + 7u + -7u

Combine like terms: 7u + -7u = 0
1 + 1u = 20 + 0
1 + 1u = 20

Add '-1' to each side of the equation.
1 + -1 + 1u = 20 + -1

Combine like terms: 1 + -1 = 0
0 + 1u = 20 + -1
1u = 20 + -1

Combine like terms: 20 + -1 = 19
1u = 19

Divide each side by '1'.
u = 19

Simplifying
u = 19

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