4=8(u+7)+5u

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Solution for 4=8(u+7)+5u equation:


Simplifying
4 = 8(u + 7) + 5u

Reorder the terms:
4 = 8(7 + u) + 5u
4 = (7 * 8 + u * 8) + 5u
4 = (56 + 8u) + 5u

Combine like terms: 8u + 5u = 13u
4 = 56 + 13u

Solving
4 = 56 + 13u

Solving for variable 'u'.

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

Add '-13u' to each side of the equation.
4 + -13u = 56 + 13u + -13u

Combine like terms: 13u + -13u = 0
4 + -13u = 56 + 0
4 + -13u = 56

Add '-4' to each side of the equation.
4 + -4 + -13u = 56 + -4

Combine like terms: 4 + -4 = 0
0 + -13u = 56 + -4
-13u = 56 + -4

Combine like terms: 56 + -4 = 52
-13u = 52

Divide each side by '-13'.
u = -4

Simplifying
u = -4

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