45r-2r+3(r-1)=10.75

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Solution for 45r-2r+3(r-1)=10.75 equation:


Simplifying
45r + -2r + 3(r + -1) = 10.75

Reorder the terms:
45r + -2r + 3(-1 + r) = 10.75
45r + -2r + (-1 * 3 + r * 3) = 10.75
45r + -2r + (-3 + 3r) = 10.75

Reorder the terms:
-3 + 45r + -2r + 3r = 10.75

Combine like terms: 45r + -2r = 43r
-3 + 43r + 3r = 10.75

Combine like terms: 43r + 3r = 46r
-3 + 46r = 10.75

Solving
-3 + 46r = 10.75

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 46r = 10.75 + 3

Combine like terms: -3 + 3 = 0
0 + 46r = 10.75 + 3
46r = 10.75 + 3

Combine like terms: 10.75 + 3 = 13.75
46r = 13.75

Divide each side by '46'.
r = 0.2989130435

Simplifying
r = 0.2989130435

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