-13=5u+2(u-3)

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Solution for -13=5u+2(u-3) equation:


Simplifying
-13 = 5u + 2(u + -3)

Reorder the terms:
-13 = 5u + 2(-3 + u)
-13 = 5u + (-3 * 2 + u * 2)
-13 = 5u + (-6 + 2u)

Reorder the terms:
-13 = -6 + 5u + 2u

Combine like terms: 5u + 2u = 7u
-13 = -6 + 7u

Solving
-13 = -6 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
-13 + -7u = -6 + 7u + -7u

Combine like terms: 7u + -7u = 0
-13 + -7u = -6 + 0
-13 + -7u = -6

Add '13' to each side of the equation.
-13 + 13 + -7u = -6 + 13

Combine like terms: -13 + 13 = 0
0 + -7u = -6 + 13
-7u = -6 + 13

Combine like terms: -6 + 13 = 7
-7u = 7

Divide each side by '-7'.
u = -1

Simplifying
u = -1

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