7(u-7)-3=-6(-4u+8)-9u

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Solution for 7(u-7)-3=-6(-4u+8)-9u equation:


Simplifying
7(u + -7) + -3 = -6(-4u + 8) + -9u

Reorder the terms:
7(-7 + u) + -3 = -6(-4u + 8) + -9u
(-7 * 7 + u * 7) + -3 = -6(-4u + 8) + -9u
(-49 + 7u) + -3 = -6(-4u + 8) + -9u

Reorder the terms:
-49 + -3 + 7u = -6(-4u + 8) + -9u

Combine like terms: -49 + -3 = -52
-52 + 7u = -6(-4u + 8) + -9u

Reorder the terms:
-52 + 7u = -6(8 + -4u) + -9u
-52 + 7u = (8 * -6 + -4u * -6) + -9u
-52 + 7u = (-48 + 24u) + -9u

Combine like terms: 24u + -9u = 15u
-52 + 7u = -48 + 15u

Solving
-52 + 7u = -48 + 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
-52 + 7u + -15u = -48 + 15u + -15u

Combine like terms: 7u + -15u = -8u
-52 + -8u = -48 + 15u + -15u

Combine like terms: 15u + -15u = 0
-52 + -8u = -48 + 0
-52 + -8u = -48

Add '52' to each side of the equation.
-52 + 52 + -8u = -48 + 52

Combine like terms: -52 + 52 = 0
0 + -8u = -48 + 52
-8u = -48 + 52

Combine like terms: -48 + 52 = 4
-8u = 4

Divide each side by '-8'.
u = -0.5

Simplifying
u = -0.5

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