2(u-1)-7(u-2)=0

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Solution for 2(u-1)-7(u-2)=0 equation:


Simplifying
2(u + -1) + -7(u + -2) = 0

Reorder the terms:
2(-1 + u) + -7(u + -2) = 0
(-1 * 2 + u * 2) + -7(u + -2) = 0
(-2 + 2u) + -7(u + -2) = 0

Reorder the terms:
-2 + 2u + -7(-2 + u) = 0
-2 + 2u + (-2 * -7 + u * -7) = 0
-2 + 2u + (14 + -7u) = 0

Reorder the terms:
-2 + 14 + 2u + -7u = 0

Combine like terms: -2 + 14 = 12
12 + 2u + -7u = 0

Combine like terms: 2u + -7u = -5u
12 + -5u = 0

Solving
12 + -5u = 0

Solving for variable 'u'.

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

Add '-12' to each side of the equation.
12 + -12 + -5u = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -5u = 0 + -12
-5u = 0 + -12

Combine like terms: 0 + -12 = -12
-5u = -12

Divide each side by '-5'.
u = 2.4

Simplifying
u = 2.4

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