34=-7u+5(u+4)

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Solution for 34=-7u+5(u+4) equation:


Simplifying
34 = -7u + 5(u + 4)

Reorder the terms:
34 = -7u + 5(4 + u)
34 = -7u + (4 * 5 + u * 5)
34 = -7u + (20 + 5u)

Reorder the terms:
34 = 20 + -7u + 5u

Combine like terms: -7u + 5u = -2u
34 = 20 + -2u

Solving
34 = 20 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
34 + 2u = 20 + -2u + 2u

Combine like terms: -2u + 2u = 0
34 + 2u = 20 + 0
34 + 2u = 20

Add '-34' to each side of the equation.
34 + -34 + 2u = 20 + -34

Combine like terms: 34 + -34 = 0
0 + 2u = 20 + -34
2u = 20 + -34

Combine like terms: 20 + -34 = -14
2u = -14

Divide each side by '2'.
u = -7

Simplifying
u = -7

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