-4r+1-4=-7

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


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

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

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

Solving
-3 + -4r = -7

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 + -4r = -7 + 3

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

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

Divide each side by '-4'.
r = 1

Simplifying
r = 1

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