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

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


Simplifying
2(u + -7) + -7 = -3(-5u + 2) + -1u

Reorder the terms:
2(-7 + u) + -7 = -3(-5u + 2) + -1u
(-7 * 2 + u * 2) + -7 = -3(-5u + 2) + -1u
(-14 + 2u) + -7 = -3(-5u + 2) + -1u

Reorder the terms:
-14 + -7 + 2u = -3(-5u + 2) + -1u

Combine like terms: -14 + -7 = -21
-21 + 2u = -3(-5u + 2) + -1u

Reorder the terms:
-21 + 2u = -3(2 + -5u) + -1u
-21 + 2u = (2 * -3 + -5u * -3) + -1u
-21 + 2u = (-6 + 15u) + -1u

Combine like terms: 15u + -1u = 14u
-21 + 2u = -6 + 14u

Solving
-21 + 2u = -6 + 14u

Solving for variable 'u'.

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

Add '-14u' to each side of the equation.
-21 + 2u + -14u = -6 + 14u + -14u

Combine like terms: 2u + -14u = -12u
-21 + -12u = -6 + 14u + -14u

Combine like terms: 14u + -14u = 0
-21 + -12u = -6 + 0
-21 + -12u = -6

Add '21' to each side of the equation.
-21 + 21 + -12u = -6 + 21

Combine like terms: -21 + 21 = 0
0 + -12u = -6 + 21
-12u = -6 + 21

Combine like terms: -6 + 21 = 15
-12u = 15

Divide each side by '-12'.
u = -1.25

Simplifying
u = -1.25

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