7(u-1)=7u+8-3(-4u-1)

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Solution for 7(u-1)=7u+8-3(-4u-1) equation:


Simplifying
7(u + -1) = 7u + 8 + -3(-4u + -1)

Reorder the terms:
7(-1 + u) = 7u + 8 + -3(-4u + -1)
(-1 * 7 + u * 7) = 7u + 8 + -3(-4u + -1)
(-7 + 7u) = 7u + 8 + -3(-4u + -1)

Reorder the terms:
-7 + 7u = 7u + 8 + -3(-1 + -4u)
-7 + 7u = 7u + 8 + (-1 * -3 + -4u * -3)
-7 + 7u = 7u + 8 + (3 + 12u)

Reorder the terms:
-7 + 7u = 8 + 3 + 7u + 12u

Combine like terms: 8 + 3 = 11
-7 + 7u = 11 + 7u + 12u

Combine like terms: 7u + 12u = 19u
-7 + 7u = 11 + 19u

Solving
-7 + 7u = 11 + 19u

Solving for variable 'u'.

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

Add '-19u' to each side of the equation.
-7 + 7u + -19u = 11 + 19u + -19u

Combine like terms: 7u + -19u = -12u
-7 + -12u = 11 + 19u + -19u

Combine like terms: 19u + -19u = 0
-7 + -12u = 11 + 0
-7 + -12u = 11

Add '7' to each side of the equation.
-7 + 7 + -12u = 11 + 7

Combine like terms: -7 + 7 = 0
0 + -12u = 11 + 7
-12u = 11 + 7

Combine like terms: 11 + 7 = 18
-12u = 18

Divide each side by '-12'.
u = -1.5

Simplifying
u = -1.5

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