-7r+-2.3+0.7r+3.1r+5=

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Solution for -7r+-2.3+0.7r+3.1r+5= equation: 


Simplifying
-7r + -2.3 + 0.7r + 3.1r + 5 = 0

Reorder the terms:
-2.3 + 5 + -7r + 0.7r + 3.1r = 0

Combine like terms: -2.3 + 5 = 2.7
2.7 + -7r + 0.7r + 3.1r = 0

Combine like terms: -7r + 0.7r = -6.3r
2.7 + -6.3r + 3.1r = 0

Combine like terms: -6.3r + 3.1r = -3.2r
2.7 + -3.2r = 0

Solving
2.7 + -3.2r = 0

Solving for variable 'r'.

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

Add '-2.7' to each side of the equation.
2.7 + -2.7 + -3.2r = 0 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + -3.2r = 0 + -2.7
-3.2r = 0 + -2.7

Combine like terms: 0 + -2.7 = -2.7
-3.2r = -2.7

Divide each side by '-3.2'.
r = 0.84375

Simplifying
r = 0.84375

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