4(u-9)-1=-7(-3u+7)-9u

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Solution for 4(u-9)-1=-7(-3u+7)-9u equation:


Simplifying
4(u + -9) + -1 = -7(-3u + 7) + -9u

Reorder the terms:
4(-9 + u) + -1 = -7(-3u + 7) + -9u
(-9 * 4 + u * 4) + -1 = -7(-3u + 7) + -9u
(-36 + 4u) + -1 = -7(-3u + 7) + -9u

Reorder the terms:
-36 + -1 + 4u = -7(-3u + 7) + -9u

Combine like terms: -36 + -1 = -37
-37 + 4u = -7(-3u + 7) + -9u

Reorder the terms:
-37 + 4u = -7(7 + -3u) + -9u
-37 + 4u = (7 * -7 + -3u * -7) + -9u
-37 + 4u = (-49 + 21u) + -9u

Combine like terms: 21u + -9u = 12u
-37 + 4u = -49 + 12u

Solving
-37 + 4u = -49 + 12u

Solving for variable 'u'.

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

Add '-12u' to each side of the equation.
-37 + 4u + -12u = -49 + 12u + -12u

Combine like terms: 4u + -12u = -8u
-37 + -8u = -49 + 12u + -12u

Combine like terms: 12u + -12u = 0
-37 + -8u = -49 + 0
-37 + -8u = -49

Add '37' to each side of the equation.
-37 + 37 + -8u = -49 + 37

Combine like terms: -37 + 37 = 0
0 + -8u = -49 + 37
-8u = -49 + 37

Combine like terms: -49 + 37 = -12
-8u = -12

Divide each side by '-8'.
u = 1.5

Simplifying
u = 1.5

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