2(u-7)-4=-3(-5u+8)-9u

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Solution for 2(u-7)-4=-3(-5u+8)-9u equation:


Simplifying
2(u + -7) + -4 = -3(-5u + 8) + -9u

Reorder the terms:
2(-7 + u) + -4 = -3(-5u + 8) + -9u
(-7 * 2 + u * 2) + -4 = -3(-5u + 8) + -9u
(-14 + 2u) + -4 = -3(-5u + 8) + -9u

Reorder the terms:
-14 + -4 + 2u = -3(-5u + 8) + -9u

Combine like terms: -14 + -4 = -18
-18 + 2u = -3(-5u + 8) + -9u

Reorder the terms:
-18 + 2u = -3(8 + -5u) + -9u
-18 + 2u = (8 * -3 + -5u * -3) + -9u
-18 + 2u = (-24 + 15u) + -9u

Combine like terms: 15u + -9u = 6u
-18 + 2u = -24 + 6u

Solving
-18 + 2u = -24 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
-18 + 2u + -6u = -24 + 6u + -6u

Combine like terms: 2u + -6u = -4u
-18 + -4u = -24 + 6u + -6u

Combine like terms: 6u + -6u = 0
-18 + -4u = -24 + 0
-18 + -4u = -24

Add '18' to each side of the equation.
-18 + 18 + -4u = -24 + 18

Combine like terms: -18 + 18 = 0
0 + -4u = -24 + 18
-4u = -24 + 18

Combine like terms: -24 + 18 = -6
-4u = -6

Divide each side by '-4'.
u = 1.5

Simplifying
u = 1.5

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