2*9+5=r

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Solution for 2*9+5=r equation:


Simplifying
2 * 9 + 5 = r

Multiply 2 * 9
18 + 5 = r

Combine like terms: 18 + 5 = 23
23 = r

Solving
23 = 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.
23 + -1r = r + -1r

Combine like terms: r + -1r = 0
23 + -1r = 0

Add '-23' to each side of the equation.
23 + -23 + -1r = 0 + -23

Combine like terms: 23 + -23 = 0
0 + -1r = 0 + -23
-1r = 0 + -23

Combine like terms: 0 + -23 = -23
-1r = -23

Divide each side by '-1'.
r = 23

Simplifying
r = 23

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