8.2r-7.5=-10.5+7.2r

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Solution for 8.2r-7.5=-10.5+7.2r equation:


Simplifying
8.2r + -7.5 = -10.5 + 7.2r

Reorder the terms:
-7.5 + 8.2r = -10.5 + 7.2r

Solving
-7.5 + 8.2r = -10.5 + 7.2r

Solving for variable 'r'.

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

Add '-7.2r' to each side of the equation.
-7.5 + 8.2r + -7.2r = -10.5 + 7.2r + -7.2r

Combine like terms: 8.2r + -7.2r = 1r
-7.5 + 1r = -10.5 + 7.2r + -7.2r

Combine like terms: 7.2r + -7.2r = 0.0
-7.5 + 1r = -10.5 + 0.0
-7.5 + 1r = -10.5

Add '7.5' to each side of the equation.
-7.5 + 7.5 + 1r = -10.5 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + 1r = -10.5 + 7.5
1r = -10.5 + 7.5

Combine like terms: -10.5 + 7.5 = -3
1r = -3

Divide each side by '1'.
r = -3

Simplifying
r = -3

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