-4(u+9)=-7-12

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Solution for -4(u+9)=-7-12 equation:


Simplifying
-4(u + 9) = -7 + -12

Reorder the terms:
-4(9 + u) = -7 + -12
(9 * -4 + u * -4) = -7 + -12
(-36 + -4u) = -7 + -12

Combine like terms: -7 + -12 = -19
-36 + -4u = -19

Solving
-36 + -4u = -19

Solving for variable 'u'.

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

Add '36' to each side of the equation.
-36 + 36 + -4u = -19 + 36

Combine like terms: -36 + 36 = 0
0 + -4u = -19 + 36
-4u = -19 + 36

Combine like terms: -19 + 36 = 17
-4u = 17

Divide each side by '-4'.
u = -4.25

Simplifying
u = -4.25

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