4.5r-2r+3(r-3)=10.75

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Solution for 4.5r-2r+3(r-3)=10.75 equation:


Simplifying
4.5r + -2r + 3(r + -3) = 10.75

Reorder the terms:
4.5r + -2r + 3(-3 + r) = 10.75
4.5r + -2r + (-3 * 3 + r * 3) = 10.75
4.5r + -2r + (-9 + 3r) = 10.75

Reorder the terms:
-9 + 4.5r + -2r + 3r = 10.75

Combine like terms: 4.5r + -2r = 2.5r
-9 + 2.5r + 3r = 10.75

Combine like terms: 2.5r + 3r = 5.5r
-9 + 5.5r = 10.75

Solving
-9 + 5.5r = 10.75

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 5.5r = 10.75 + 9

Combine like terms: -9 + 9 = 0
0 + 5.5r = 10.75 + 9
5.5r = 10.75 + 9

Combine like terms: 10.75 + 9 = 19.75
5.5r = 19.75

Divide each side by '5.5'.
r = 3.590909091

Simplifying
r = 3.590909091

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