-4r+7r-3+5r=93

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Solution for -4r+7r-3+5r=93 equation:


Simplifying
-4r + 7r + -3 + 5r = 93

Reorder the terms:
-3 + -4r + 7r + 5r = 93

Combine like terms: -4r + 7r = 3r
-3 + 3r + 5r = 93

Combine like terms: 3r + 5r = 8r
-3 + 8r = 93

Solving
-3 + 8r = 93

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 + 8r = 93 + 3

Combine like terms: -3 + 3 = 0
0 + 8r = 93 + 3
8r = 93 + 3

Combine like terms: 93 + 3 = 96
8r = 96

Divide each side by '8'.
r = 12

Simplifying
r = 12

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