-9u+18=6(u-7)

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Solution for -9u+18=6(u-7) equation:


Simplifying
-9u + 18 = 6(u + -7)

Reorder the terms:
18 + -9u = 6(u + -7)

Reorder the terms:
18 + -9u = 6(-7 + u)
18 + -9u = (-7 * 6 + u * 6)
18 + -9u = (-42 + 6u)

Solving
18 + -9u = -42 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
18 + -9u + -6u = -42 + 6u + -6u

Combine like terms: -9u + -6u = -15u
18 + -15u = -42 + 6u + -6u

Combine like terms: 6u + -6u = 0
18 + -15u = -42 + 0
18 + -15u = -42

Add '-18' to each side of the equation.
18 + -18 + -15u = -42 + -18

Combine like terms: 18 + -18 = 0
0 + -15u = -42 + -18
-15u = -42 + -18

Combine like terms: -42 + -18 = -60
-15u = -60

Divide each side by '-15'.
u = 4

Simplifying
u = 4

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