-3-4(r-4)=13-r

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Solution for -3-4(r-4)=13-r equation:


Simplifying
-3 + -4(r + -4) = 13 + -1r

Reorder the terms:
-3 + -4(-4 + r) = 13 + -1r
-3 + (-4 * -4 + r * -4) = 13 + -1r
-3 + (16 + -4r) = 13 + -1r

Combine like terms: -3 + 16 = 13
13 + -4r = 13 + -1r

Add '-13' to each side of the equation.
13 + -13 + -4r = 13 + -13 + -1r

Combine like terms: 13 + -13 = 0
0 + -4r = 13 + -13 + -1r
-4r = 13 + -13 + -1r

Combine like terms: 13 + -13 = 0
-4r = 0 + -1r
-4r = -1r

Solving
-4r = -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-4r + r = -1r + r

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

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

Divide each side by '-3'.
r = 0

Simplifying
r = 0

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