7(5-7)=7u

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Solution for 7(5-7)=7u equation:


Simplifying
7(5 + -7) = 7u

Combine like terms: 5 + -7 = -2
7(-2) = 7u

Multiply 7 * -2
-14 = 7u

Solving
-14 = 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.
-14 + -7u = 7u + -7u

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

Add '14' to each side of the equation.
-14 + 14 + -7u = 0 + 14

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

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

Divide each side by '-7'.
u = -2

Simplifying
u = -2

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