-7u-3=-4(u-3)

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


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

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

Reorder the terms:
-3 + -7u = -4(-3 + u)
-3 + -7u = (-3 * -4 + u * -4)
-3 + -7u = (12 + -4u)

Solving
-3 + -7u = 12 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
-3 + -7u + 4u = 12 + -4u + 4u

Combine like terms: -7u + 4u = -3u
-3 + -3u = 12 + -4u + 4u

Combine like terms: -4u + 4u = 0
-3 + -3u = 12 + 0
-3 + -3u = 12

Add '3' to each side of the equation.
-3 + 3 + -3u = 12 + 3

Combine like terms: -3 + 3 = 0
0 + -3u = 12 + 3
-3u = 12 + 3

Combine like terms: 12 + 3 = 15
-3u = 15

Divide each side by '-3'.
u = -5

Simplifying
u = -5

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