7u+7=2u-10

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Solution for 7u+7=2u-10 equation:


Simplifying
7u + 7 = 2u + -10

Reorder the terms:
7 + 7u = 2u + -10

Reorder the terms:
7 + 7u = -10 + 2u

Solving
7 + 7u = -10 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
7 + 7u + -2u = -10 + 2u + -2u

Combine like terms: 7u + -2u = 5u
7 + 5u = -10 + 2u + -2u

Combine like terms: 2u + -2u = 0
7 + 5u = -10 + 0
7 + 5u = -10

Add '-7' to each side of the equation.
7 + -7 + 5u = -10 + -7

Combine like terms: 7 + -7 = 0
0 + 5u = -10 + -7
5u = -10 + -7

Combine like terms: -10 + -7 = -17
5u = -17

Divide each side by '5'.
u = -3.4

Simplifying
u = -3.4

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