(u-7)*10=20

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Solution for (u-7)*10=20 equation:


Simplifying
(u + -7) * 10 = 20

Reorder the terms:
(-7 + u) * 10 = 20

Reorder the terms for easier multiplication:
10(-7 + u) = 20
(-7 * 10 + u * 10) = 20
(-70 + 10u) = 20

Solving
-70 + 10u = 20

Solving for variable 'u'.

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

Add '70' to each side of the equation.
-70 + 70 + 10u = 20 + 70

Combine like terms: -70 + 70 = 0
0 + 10u = 20 + 70
10u = 20 + 70

Combine like terms: 20 + 70 = 90
10u = 90

Divide each side by '10'.
u = 9

Simplifying
u = 9

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