3(u-3)-7u=-1

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Solution for 3(u-3)-7u=-1 equation:


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

Reorder the terms:
3(-3 + u) + -7u = -1
(-3 * 3 + u * 3) + -7u = -1
(-9 + 3u) + -7u = -1

Combine like terms: 3u + -7u = -4u
-9 + -4u = -1

Solving
-9 + -4u = -1

Solving for variable 'u'.

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

Add '9' to each side of the equation.
-9 + 9 + -4u = -1 + 9

Combine like terms: -9 + 9 = 0
0 + -4u = -1 + 9
-4u = -1 + 9

Combine like terms: -1 + 9 = 8
-4u = 8

Divide each side by '-4'.
u = -2

Simplifying
u = -2

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