-10=4(u-7)+5u

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Solution for -10=4(u-7)+5u equation:


Simplifying
-10 = 4(u + -7) + 5u

Reorder the terms:
-10 = 4(-7 + u) + 5u
-10 = (-7 * 4 + u * 4) + 5u
-10 = (-28 + 4u) + 5u

Combine like terms: 4u + 5u = 9u
-10 = -28 + 9u

Solving
-10 = -28 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-10 + -9u = -28 + 9u + -9u

Combine like terms: 9u + -9u = 0
-10 + -9u = -28 + 0
-10 + -9u = -28

Add '10' to each side of the equation.
-10 + 10 + -9u = -28 + 10

Combine like terms: -10 + 10 = 0
0 + -9u = -28 + 10
-9u = -28 + 10

Combine like terms: -28 + 10 = -18
-9u = -18

Divide each side by '-9'.
u = 2

Simplifying
u = 2

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