5(-5r-7)-2=-87

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Solution for 5(-5r-7)-2=-87 equation:


Simplifying
5(-5r + -7) + -2 = -87

Reorder the terms:
5(-7 + -5r) + -2 = -87
(-7 * 5 + -5r * 5) + -2 = -87
(-35 + -25r) + -2 = -87

Reorder the terms:
-35 + -2 + -25r = -87

Combine like terms: -35 + -2 = -37
-37 + -25r = -87

Solving
-37 + -25r = -87

Solving for variable 'r'.

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

Add '37' to each side of the equation.
-37 + 37 + -25r = -87 + 37

Combine like terms: -37 + 37 = 0
0 + -25r = -87 + 37
-25r = -87 + 37

Combine like terms: -87 + 37 = -50
-25r = -50

Divide each side by '-25'.
r = 2

Simplifying
r = 2

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