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

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


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

Reorder the terms:
-4 = -7u + 2(-7 + u)
-4 = -7u + (-7 * 2 + u * 2)
-4 = -7u + (-14 + 2u)

Reorder the terms:
-4 = -14 + -7u + 2u

Combine like terms: -7u + 2u = -5u
-4 = -14 + -5u

Solving
-4 = -14 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
-4 + 5u = -14 + -5u + 5u

Combine like terms: -5u + 5u = 0
-4 + 5u = -14 + 0
-4 + 5u = -14

Add '4' to each side of the equation.
-4 + 4 + 5u = -14 + 4

Combine like terms: -4 + 4 = 0
0 + 5u = -14 + 4
5u = -14 + 4

Combine like terms: -14 + 4 = -10
5u = -10

Divide each side by '5'.
u = -2

Simplifying
u = -2

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