3(u-7)-9=-6(-4u+3)-3u

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Solution for 3(u-7)-9=-6(-4u+3)-3u equation:


Simplifying
3(u + -7) + -9 = -6(-4u + 3) + -3u

Reorder the terms:
3(-7 + u) + -9 = -6(-4u + 3) + -3u
(-7 * 3 + u * 3) + -9 = -6(-4u + 3) + -3u
(-21 + 3u) + -9 = -6(-4u + 3) + -3u

Reorder the terms:
-21 + -9 + 3u = -6(-4u + 3) + -3u

Combine like terms: -21 + -9 = -30
-30 + 3u = -6(-4u + 3) + -3u

Reorder the terms:
-30 + 3u = -6(3 + -4u) + -3u
-30 + 3u = (3 * -6 + -4u * -6) + -3u
-30 + 3u = (-18 + 24u) + -3u

Combine like terms: 24u + -3u = 21u
-30 + 3u = -18 + 21u

Solving
-30 + 3u = -18 + 21u

Solving for variable 'u'.

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

Add '-21u' to each side of the equation.
-30 + 3u + -21u = -18 + 21u + -21u

Combine like terms: 3u + -21u = -18u
-30 + -18u = -18 + 21u + -21u

Combine like terms: 21u + -21u = 0
-30 + -18u = -18 + 0
-30 + -18u = -18

Add '30' to each side of the equation.
-30 + 30 + -18u = -18 + 30

Combine like terms: -30 + 30 = 0
0 + -18u = -18 + 30
-18u = -18 + 30

Combine like terms: -18 + 30 = 12
-18u = 12

Divide each side by '-18'.
u = -0.6666666667

Simplifying
u = -0.6666666667

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