3(u-3)-7=-4(-5u+3)-5u

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


Simplifying
3(u + -3) + -7 = -4(-5u + 3) + -5u

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

Reorder the terms:
-9 + -7 + 3u = -4(-5u + 3) + -5u

Combine like terms: -9 + -7 = -16
-16 + 3u = -4(-5u + 3) + -5u

Reorder the terms:
-16 + 3u = -4(3 + -5u) + -5u
-16 + 3u = (3 * -4 + -5u * -4) + -5u
-16 + 3u = (-12 + 20u) + -5u

Combine like terms: 20u + -5u = 15u
-16 + 3u = -12 + 15u

Solving
-16 + 3u = -12 + 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
-16 + 3u + -15u = -12 + 15u + -15u

Combine like terms: 3u + -15u = -12u
-16 + -12u = -12 + 15u + -15u

Combine like terms: 15u + -15u = 0
-16 + -12u = -12 + 0
-16 + -12u = -12

Add '16' to each side of the equation.
-16 + 16 + -12u = -12 + 16

Combine like terms: -16 + 16 = 0
0 + -12u = -12 + 16
-12u = -12 + 16

Combine like terms: -12 + 16 = 4
-12u = 4

Divide each side by '-12'.
u = -0.3333333333

Simplifying
u = -0.3333333333

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