4r+5-7r=-1

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Solution for 4r+5-7r=-1 equation:


Simplifying
4r + 5 + -7r = -1

Reorder the terms:
5 + 4r + -7r = -1

Combine like terms: 4r + -7r = -3r
5 + -3r = -1

Solving
5 + -3r = -1

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + -3r = -1 + -5

Combine like terms: 5 + -5 = 0
0 + -3r = -1 + -5
-3r = -1 + -5

Combine like terms: -1 + -5 = -6
-3r = -6

Divide each side by '-3'.
r = 2

Simplifying
r = 2

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