5u+3=7(u+1)

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Solution for 5u+3=7(u+1) equation:


Simplifying
5u + 3 = 7(u + 1)

Reorder the terms:
3 + 5u = 7(u + 1)

Reorder the terms:
3 + 5u = 7(1 + u)
3 + 5u = (1 * 7 + u * 7)
3 + 5u = (7 + 7u)

Solving
3 + 5u = 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.
3 + 5u + -7u = 7 + 7u + -7u

Combine like terms: 5u + -7u = -2u
3 + -2u = 7 + 7u + -7u

Combine like terms: 7u + -7u = 0
3 + -2u = 7 + 0
3 + -2u = 7

Add '-3' to each side of the equation.
3 + -3 + -2u = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -2u = 7 + -3
-2u = 7 + -3

Combine like terms: 7 + -3 = 4
-2u = 4

Divide each side by '-2'.
u = -2

Simplifying
u = -2

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