-4(10+r)=-36

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Solution for -4(10+r)=-36 equation: 


Simplifying
-4(10 + r) = -36
(10 * -4 + r * -4) = -36
(-40 + -4r) = -36

Solving
-40 + -4r = -36

Solving for variable 'r'.

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

Add '40' to each side of the equation.
-40 + 40 + -4r = -36 + 40

Combine like terms: -40 + 40 = 0
0 + -4r = -36 + 40
-4r = -36 + 40

Combine like terms: -36 + 40 = 4
-4r = 4

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

Simplifying
r = -1

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