4r-7=9s

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Solution for 4r-7=9s equation:


Simplifying
4r + -7 = 9s

Reorder the terms:
-7 + 4r = 9s

Solving
-7 + 4r = 9s

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 4r = 7 + 9s

Combine like terms: -7 + 7 = 0
0 + 4r = 7 + 9s
4r = 7 + 9s

Divide each side by '4'.
r = 1.75 + 2.25s

Simplifying
r = 1.75 + 2.25s

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