9=r+5

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Solution for 9=r+5 equation:


Simplifying
9 = r + 5

Reorder the terms:
9 = 5 + r

Solving
9 = 5 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
9 + -1r = 5 + r + -1r

Combine like terms: r + -1r = 0
9 + -1r = 5 + 0
9 + -1r = 5

Add '-9' to each side of the equation.
9 + -9 + -1r = 5 + -9

Combine like terms: 9 + -9 = 0
0 + -1r = 5 + -9
-1r = 5 + -9

Combine like terms: 5 + -9 = -4
-1r = -4

Divide each side by '-1'.
r = 4

Simplifying
r = 4

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