4u-1=-7(u-3)

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Solution for 4u-1=-7(u-3) equation:


Simplifying
4u + -1 = -7(u + -3)

Reorder the terms:
-1 + 4u = -7(u + -3)

Reorder the terms:
-1 + 4u = -7(-3 + u)
-1 + 4u = (-3 * -7 + u * -7)
-1 + 4u = (21 + -7u)

Solving
-1 + 4u = 21 + -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.
-1 + 4u + 7u = 21 + -7u + 7u

Combine like terms: 4u + 7u = 11u
-1 + 11u = 21 + -7u + 7u

Combine like terms: -7u + 7u = 0
-1 + 11u = 21 + 0
-1 + 11u = 21

Add '1' to each side of the equation.
-1 + 1 + 11u = 21 + 1

Combine like terms: -1 + 1 = 0
0 + 11u = 21 + 1
11u = 21 + 1

Combine like terms: 21 + 1 = 22
11u = 22

Divide each side by '11'.
u = 2

Simplifying
u = 2

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