-100=5(3r-5)

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Solution for -100=5(3r-5) equation:


Simplifying
-100 = 5(3r + -5)

Reorder the terms:
-100 = 5(-5 + 3r)
-100 = (-5 * 5 + 3r * 5)
-100 = (-25 + 15r)

Solving
-100 = -25 + 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
-100 + -15r = -25 + 15r + -15r

Combine like terms: 15r + -15r = 0
-100 + -15r = -25 + 0
-100 + -15r = -25

Add '100' to each side of the equation.
-100 + 100 + -15r = -25 + 100

Combine like terms: -100 + 100 = 0
0 + -15r = -25 + 100
-15r = -25 + 100

Combine like terms: -25 + 100 = 75
-15r = 75

Divide each side by '-15'.
r = -5

Simplifying
r = -5

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