7(u-7)-3=-5(-4u+8)-4u

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Solution for 7(u-7)-3=-5(-4u+8)-4u equation:


Simplifying
7(u + -7) + -3 = -5(-4u + 8) + -4u

Reorder the terms:
7(-7 + u) + -3 = -5(-4u + 8) + -4u
(-7 * 7 + u * 7) + -3 = -5(-4u + 8) + -4u
(-49 + 7u) + -3 = -5(-4u + 8) + -4u

Reorder the terms:
-49 + -3 + 7u = -5(-4u + 8) + -4u

Combine like terms: -49 + -3 = -52
-52 + 7u = -5(-4u + 8) + -4u

Reorder the terms:
-52 + 7u = -5(8 + -4u) + -4u
-52 + 7u = (8 * -5 + -4u * -5) + -4u
-52 + 7u = (-40 + 20u) + -4u

Combine like terms: 20u + -4u = 16u
-52 + 7u = -40 + 16u

Solving
-52 + 7u = -40 + 16u

Solving for variable 'u'.

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

Add '-16u' to each side of the equation.
-52 + 7u + -16u = -40 + 16u + -16u

Combine like terms: 7u + -16u = -9u
-52 + -9u = -40 + 16u + -16u

Combine like terms: 16u + -16u = 0
-52 + -9u = -40 + 0
-52 + -9u = -40

Add '52' to each side of the equation.
-52 + 52 + -9u = -40 + 52

Combine like terms: -52 + 52 = 0
0 + -9u = -40 + 52
-9u = -40 + 52

Combine like terms: -40 + 52 = 12
-9u = 12

Divide each side by '-9'.
u = -1.333333333

Simplifying
u = -1.333333333

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