4u-6=7+8

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Solution for 4u-6=7+8 equation: 


Simplifying
4u + -6 = 7 + 8

Reorder the terms:
-6 + 4u = 7 + 8

Combine like terms: 7 + 8 = 15
-6 + 4u = 15

Solving
-6 + 4u = 15

Solving for variable 'u'.

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

Add '6' to each side of the equation.
-6 + 6 + 4u = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 4u = 15 + 6
4u = 15 + 6

Combine like terms: 15 + 6 = 21
4u = 21

Divide each side by '4'.
u = 5.25

Simplifying
u = 5.25

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