-4(r-9)=-49

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Solution for -4(r-9)=-49 equation:


Simplifying
-4(r + -9) = -49

Reorder the terms:
-4(-9 + r) = -49
(-9 * -4 + r * -4) = -49
(36 + -4r) = -49

Solving
36 + -4r = -49

Solving for variable 'r'.

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

Add '-36' to each side of the equation.
36 + -36 + -4r = -49 + -36

Combine like terms: 36 + -36 = 0
0 + -4r = -49 + -36
-4r = -49 + -36

Combine like terms: -49 + -36 = -85
-4r = -85

Divide each side by '-4'.
r = 21.25

Simplifying
r = 21.25

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