3(u-3u)=4(u+3)

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


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

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

Remove parenthesis around (-2u)
3 * -2u = 4(u + 3)

Multiply 3 * -2
-6u = 4(u + 3)

Reorder the terms:
-6u = 4(3 + u)
-6u = (3 * 4 + u * 4)
-6u = (12 + 4u)

Solving
-6u = 12 + 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.
-6u + -4u = 12 + 4u + -4u

Combine like terms: -6u + -4u = -10u
-10u = 12 + 4u + -4u

Combine like terms: 4u + -4u = 0
-10u = 12 + 0
-10u = 12

Divide each side by '-10'.
u = -1.2

Simplifying
u = -1.2

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