4-5r-7=

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Solution for 4-5r-7= equation: 


Simplifying
4 + -5r + -7 = 0

Reorder the terms:
4 + -7 + -5r = 0

Combine like terms: 4 + -7 = -3
-3 + -5r = 0

Solving
-3 + -5r = 0

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 + -5r = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -5r = 0 + 3
-5r = 0 + 3

Combine like terms: 0 + 3 = 3
-5r = 3

Divide each side by '-5'.
r = -0.6

Simplifying
r = -0.6

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