-4r-7.2+4.8r-0.7r-5=

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Solution for -4r-7.2+4.8r-0.7r-5= equation:


Simplifying
-4r + -7.2 + 4.8r + -0.7r + -5 = 0

Reorder the terms:
-7.2 + -5 + -4r + 4.8r + -0.7r = 0

Combine like terms: -7.2 + -5 = -12.2
-12.2 + -4r + 4.8r + -0.7r = 0

Combine like terms: -4r + 4.8r = 0.8r
-12.2 + 0.8r + -0.7r = 0

Combine like terms: 0.8r + -0.7r = 0.1r
-12.2 + 0.1r = 0

Solving
-12.2 + 0.1r = 0

Solving for variable 'r'.

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

Add '12.2' to each side of the equation.
-12.2 + 12.2 + 0.1r = 0 + 12.2

Combine like terms: -12.2 + 12.2 = 0.0
0.0 + 0.1r = 0 + 12.2
0.1r = 0 + 12.2

Combine like terms: 0 + 12.2 = 12.2
0.1r = 12.2

Divide each side by '0.1'.
r = 122

Simplifying
r = 122

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