3(u-1)-7=-5(-4u+4)-2u

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Solution for 3(u-1)-7=-5(-4u+4)-2u equation:


Simplifying
3(u + -1) + -7 = -5(-4u + 4) + -2u

Reorder the terms:
3(-1 + u) + -7 = -5(-4u + 4) + -2u
(-1 * 3 + u * 3) + -7 = -5(-4u + 4) + -2u
(-3 + 3u) + -7 = -5(-4u + 4) + -2u

Reorder the terms:
-3 + -7 + 3u = -5(-4u + 4) + -2u

Combine like terms: -3 + -7 = -10
-10 + 3u = -5(-4u + 4) + -2u

Reorder the terms:
-10 + 3u = -5(4 + -4u) + -2u
-10 + 3u = (4 * -5 + -4u * -5) + -2u
-10 + 3u = (-20 + 20u) + -2u

Combine like terms: 20u + -2u = 18u
-10 + 3u = -20 + 18u

Solving
-10 + 3u = -20 + 18u

Solving for variable 'u'.

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

Add '-18u' to each side of the equation.
-10 + 3u + -18u = -20 + 18u + -18u

Combine like terms: 3u + -18u = -15u
-10 + -15u = -20 + 18u + -18u

Combine like terms: 18u + -18u = 0
-10 + -15u = -20 + 0
-10 + -15u = -20

Add '10' to each side of the equation.
-10 + 10 + -15u = -20 + 10

Combine like terms: -10 + 10 = 0
0 + -15u = -20 + 10
-15u = -20 + 10

Combine like terms: -20 + 10 = -10
-15u = -10

Divide each side by '-15'.
u = 0.6666666667

Simplifying
u = 0.6666666667

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