4u-20-7u+30=

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Solution for 4u-20-7u+30= equation:


Simplifying
4u + -20 + -7u + 30 = 0

Reorder the terms:
-20 + 30 + 4u + -7u = 0

Combine like terms: -20 + 30 = 10
10 + 4u + -7u = 0

Combine like terms: 4u + -7u = -3u
10 + -3u = 0

Solving
10 + -3u = 0

Solving for variable 'u'.

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

Add '-10' to each side of the equation.
10 + -10 + -3u = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -3u = 0 + -10
-3u = 0 + -10

Combine like terms: 0 + -10 = -10
-3u = -10

Divide each side by '-3'.
u = 3.333333333

Simplifying
u = 3.333333333

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