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

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


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

Reorder the terms:
3u + -7 + 2(4 + 2u) = -7(u + 1)
3u + -7 + (4 * 2 + 2u * 2) = -7(u + 1)
3u + -7 + (8 + 4u) = -7(u + 1)

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

Combine like terms: -7 + 8 = 1
1 + 3u + 4u = -7(u + 1)

Combine like terms: 3u + 4u = 7u
1 + 7u = -7(u + 1)

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

Solving
1 + 7u = -7 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
1 + 7u + 7u = -7 + -7u + 7u

Combine like terms: 7u + 7u = 14u
1 + 14u = -7 + -7u + 7u

Combine like terms: -7u + 7u = 0
1 + 14u = -7 + 0
1 + 14u = -7

Add '-1' to each side of the equation.
1 + -1 + 14u = -7 + -1

Combine like terms: 1 + -1 = 0
0 + 14u = -7 + -1
14u = -7 + -1

Combine like terms: -7 + -1 = -8
14u = -8

Divide each side by '14'.
u = -0.5714285714

Simplifying
u = -0.5714285714

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