9(u-7)=7u-49

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Solution for 9(u-7)=7u-49 equation:


Simplifying
9(u + -7) = 7u + -49

Reorder the terms:
9(-7 + u) = 7u + -49
(-7 * 9 + u * 9) = 7u + -49
(-63 + 9u) = 7u + -49

Reorder the terms:
-63 + 9u = -49 + 7u

Solving
-63 + 9u = -49 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
-63 + 9u + -7u = -49 + 7u + -7u

Combine like terms: 9u + -7u = 2u
-63 + 2u = -49 + 7u + -7u

Combine like terms: 7u + -7u = 0
-63 + 2u = -49 + 0
-63 + 2u = -49

Add '63' to each side of the equation.
-63 + 63 + 2u = -49 + 63

Combine like terms: -63 + 63 = 0
0 + 2u = -49 + 63
2u = -49 + 63

Combine like terms: -49 + 63 = 14
2u = 14

Divide each side by '2'.
u = 7

Simplifying
u = 7

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