16+5+2R+8R=91

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Solution for 16+5+2R+8R=91 equation:


Simplifying
16 + 5 + 2R + 8R = 91

Combine like terms: 16 + 5 = 21
21 + 2R + 8R = 91

Combine like terms: 2R + 8R = 10R
21 + 10R = 91

Solving
21 + 10R = 91

Solving for variable 'R'.

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

Add '-21' to each side of the equation.
21 + -21 + 10R = 91 + -21

Combine like terms: 21 + -21 = 0
0 + 10R = 91 + -21
10R = 91 + -21

Combine like terms: 91 + -21 = 70
10R = 70

Divide each side by '10'.
R = 7

Simplifying
R = 7

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