7u-47=9(u-5)

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Solution for 7u-47=9(u-5) equation:


Simplifying
7u + -47 = 9(u + -5)

Reorder the terms:
-47 + 7u = 9(u + -5)

Reorder the terms:
-47 + 7u = 9(-5 + u)
-47 + 7u = (-5 * 9 + u * 9)
-47 + 7u = (-45 + 9u)

Solving
-47 + 7u = -45 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-47 + 7u + -9u = -45 + 9u + -9u

Combine like terms: 7u + -9u = -2u
-47 + -2u = -45 + 9u + -9u

Combine like terms: 9u + -9u = 0
-47 + -2u = -45 + 0
-47 + -2u = -45

Add '47' to each side of the equation.
-47 + 47 + -2u = -45 + 47

Combine like terms: -47 + 47 = 0
0 + -2u = -45 + 47
-2u = -45 + 47

Combine like terms: -45 + 47 = 2
-2u = 2

Divide each side by '-2'.
u = -1

Simplifying
u = -1

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