7-5(1+4r)=-36

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Solution for 7-5(1+4r)=-36 equation: 


Simplifying
7 + -5(1 + 4r) = -36
7 + (1 * -5 + 4r * -5) = -36
7 + (-5 + -20r) = -36

Combine like terms: 7 + -5 = 2
2 + -20r = -36

Solving
2 + -20r = -36

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + -20r = -36 + -2

Combine like terms: 2 + -2 = 0
0 + -20r = -36 + -2
-20r = -36 + -2

Combine like terms: -36 + -2 = -38
-20r = -38

Divide each side by '-20'.
r = 1.9

Simplifying
r = 1.9

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