-7(-3u+3)-3u=4(u-2)-1

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Solution for -7(-3u+3)-3u=4(u-2)-1 equation:


Simplifying
-7(-3u + 3) + -3u = 4(u + -2) + -1

Reorder the terms:
-7(3 + -3u) + -3u = 4(u + -2) + -1
(3 * -7 + -3u * -7) + -3u = 4(u + -2) + -1
(-21 + 21u) + -3u = 4(u + -2) + -1

Combine like terms: 21u + -3u = 18u
-21 + 18u = 4(u + -2) + -1

Reorder the terms:
-21 + 18u = 4(-2 + u) + -1
-21 + 18u = (-2 * 4 + u * 4) + -1
-21 + 18u = (-8 + 4u) + -1

Reorder the terms:
-21 + 18u = -8 + -1 + 4u

Combine like terms: -8 + -1 = -9
-21 + 18u = -9 + 4u

Solving
-21 + 18u = -9 + 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.
-21 + 18u + -4u = -9 + 4u + -4u

Combine like terms: 18u + -4u = 14u
-21 + 14u = -9 + 4u + -4u

Combine like terms: 4u + -4u = 0
-21 + 14u = -9 + 0
-21 + 14u = -9

Add '21' to each side of the equation.
-21 + 21 + 14u = -9 + 21

Combine like terms: -21 + 21 = 0
0 + 14u = -9 + 21
14u = -9 + 21

Combine like terms: -9 + 21 = 12
14u = 12

Divide each side by '14'.
u = 0.8571428571

Simplifying
u = 0.8571428571

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