-30=-4u+5-u

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Solution for -30=-4u+5-u equation:


Simplifying
-30 = -4u + 5 + -1u

Reorder the terms:
-30 = 5 + -4u + -1u

Combine like terms: -4u + -1u = -5u
-30 = 5 + -5u

Solving
-30 = 5 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
-30 + 5u = 5 + -5u + 5u

Combine like terms: -5u + 5u = 0
-30 + 5u = 5 + 0
-30 + 5u = 5

Add '30' to each side of the equation.
-30 + 30 + 5u = 5 + 30

Combine like terms: -30 + 30 = 0
0 + 5u = 5 + 30
5u = 5 + 30

Combine like terms: 5 + 30 = 35
5u = 35

Divide each side by '5'.
u = 7

Simplifying
u = 7

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