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

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


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

Reorder the terms:
4(-7 + u) + -7 = -5(-3u + 4) + -5u
(-7 * 4 + u * 4) + -7 = -5(-3u + 4) + -5u
(-28 + 4u) + -7 = -5(-3u + 4) + -5u

Reorder the terms:
-28 + -7 + 4u = -5(-3u + 4) + -5u

Combine like terms: -28 + -7 = -35
-35 + 4u = -5(-3u + 4) + -5u

Reorder the terms:
-35 + 4u = -5(4 + -3u) + -5u
-35 + 4u = (4 * -5 + -3u * -5) + -5u
-35 + 4u = (-20 + 15u) + -5u

Combine like terms: 15u + -5u = 10u
-35 + 4u = -20 + 10u

Solving
-35 + 4u = -20 + 10u

Solving for variable 'u'.

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

Add '-10u' to each side of the equation.
-35 + 4u + -10u = -20 + 10u + -10u

Combine like terms: 4u + -10u = -6u
-35 + -6u = -20 + 10u + -10u

Combine like terms: 10u + -10u = 0
-35 + -6u = -20 + 0
-35 + -6u = -20

Add '35' to each side of the equation.
-35 + 35 + -6u = -20 + 35

Combine like terms: -35 + 35 = 0
0 + -6u = -20 + 35
-6u = -20 + 35

Combine like terms: -20 + 35 = 15
-6u = 15

Divide each side by '-6'.
u = -2.5

Simplifying
u = -2.5

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