-7r+3(r-5)=

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Solution for -7r+3(r-5)= equation:


Simplifying
-7r + 3(r + -5) = 0

Reorder the terms:
-7r + 3(-5 + r) = 0
-7r + (-5 * 3 + r * 3) = 0
-7r + (-15 + 3r) = 0

Reorder the terms:
-15 + -7r + 3r = 0

Combine like terms: -7r + 3r = -4r
-15 + -4r = 0

Solving
-15 + -4r = 0

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + -4r = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -4r = 0 + 15
-4r = 0 + 15

Combine like terms: 0 + 15 = 15
-4r = 15

Divide each side by '-4'.
r = -3.75

Simplifying
r = -3.75

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