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

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


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

Reorder the terms:
3(-5 + u) + -7 = -4(-5u + 2) + -7u
(-5 * 3 + u * 3) + -7 = -4(-5u + 2) + -7u
(-15 + 3u) + -7 = -4(-5u + 2) + -7u

Reorder the terms:
-15 + -7 + 3u = -4(-5u + 2) + -7u

Combine like terms: -15 + -7 = -22
-22 + 3u = -4(-5u + 2) + -7u

Reorder the terms:
-22 + 3u = -4(2 + -5u) + -7u
-22 + 3u = (2 * -4 + -5u * -4) + -7u
-22 + 3u = (-8 + 20u) + -7u

Combine like terms: 20u + -7u = 13u
-22 + 3u = -8 + 13u

Solving
-22 + 3u = -8 + 13u

Solving for variable 'u'.

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

Add '-13u' to each side of the equation.
-22 + 3u + -13u = -8 + 13u + -13u

Combine like terms: 3u + -13u = -10u
-22 + -10u = -8 + 13u + -13u

Combine like terms: 13u + -13u = 0
-22 + -10u = -8 + 0
-22 + -10u = -8

Add '22' to each side of the equation.
-22 + 22 + -10u = -8 + 22

Combine like terms: -22 + 22 = 0
0 + -10u = -8 + 22
-10u = -8 + 22

Combine like terms: -8 + 22 = 14
-10u = 14

Divide each side by '-10'.
u = -1.4

Simplifying
u = -1.4

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