-7u+45=3(u-5)

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Solution for -7u+45=3(u-5) equation:


Simplifying
-7u + 45 = 3(u + -5)

Reorder the terms:
45 + -7u = 3(u + -5)

Reorder the terms:
45 + -7u = 3(-5 + u)
45 + -7u = (-5 * 3 + u * 3)
45 + -7u = (-15 + 3u)

Solving
45 + -7u = -15 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
45 + -7u + -3u = -15 + 3u + -3u

Combine like terms: -7u + -3u = -10u
45 + -10u = -15 + 3u + -3u

Combine like terms: 3u + -3u = 0
45 + -10u = -15 + 0
45 + -10u = -15

Add '-45' to each side of the equation.
45 + -45 + -10u = -15 + -45

Combine like terms: 45 + -45 = 0
0 + -10u = -15 + -45
-10u = -15 + -45

Combine like terms: -15 + -45 = -60
-10u = -60

Divide each side by '-10'.
u = 6

Simplifying
u = 6

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