3(u+40)=-4u-30

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Solution for 3(u+40)=-4u-30 equation:


Simplifying
3(u + 40) = -4u + -30

Reorder the terms:
3(40 + u) = -4u + -30
(40 * 3 + u * 3) = -4u + -30
(120 + 3u) = -4u + -30

Reorder the terms:
120 + 3u = -30 + -4u

Solving
120 + 3u = -30 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
120 + 3u + 4u = -30 + -4u + 4u

Combine like terms: 3u + 4u = 7u
120 + 7u = -30 + -4u + 4u

Combine like terms: -4u + 4u = 0
120 + 7u = -30 + 0
120 + 7u = -30

Add '-120' to each side of the equation.
120 + -120 + 7u = -30 + -120

Combine like terms: 120 + -120 = 0
0 + 7u = -30 + -120
7u = -30 + -120

Combine like terms: -30 + -120 = -150
7u = -150

Divide each side by '7'.
u = -21.42857143

Simplifying
u = -21.42857143

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