9r+9s-7(9r-7s)=

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Solution for 9r+9s-7(9r-7s)= equation:


Simplifying
9r + 9s + -7(9r + -7s) = 0
9r + 9s + (9r * -7 + -7s * -7) = 0
9r + 9s + (-63r + 49s) = 0

Reorder the terms:
9r + -63r + 9s + 49s = 0

Combine like terms: 9r + -63r = -54r
-54r + 9s + 49s = 0

Combine like terms: 9s + 49s = 58s
-54r + 58s = 0

Solving
-54r + 58s = 0

Solving for variable 'r'.

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

Add '-58s' to each side of the equation.
-54r + 58s + -58s = 0 + -58s

Combine like terms: 58s + -58s = 0
-54r + 0 = 0 + -58s
-54r = 0 + -58s
Remove the zero:
-54r = -58s

Divide each side by '-54'.
r = 1.074074074s

Simplifying
r = 1.074074074s

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