-15r+21-(5r-3)=44

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Solution for -15r+21-(5r-3)=44 equation:


Simplifying
-15r + 21 + -1(5r + -3) = 44

Reorder the terms:
-15r + 21 + -1(-3 + 5r) = 44
-15r + 21 + (-3 * -1 + 5r * -1) = 44
-15r + 21 + (3 + -5r) = 44

Reorder the terms:
21 + 3 + -15r + -5r = 44

Combine like terms: 21 + 3 = 24
24 + -15r + -5r = 44

Combine like terms: -15r + -5r = -20r
24 + -20r = 44

Solving
24 + -20r = 44

Solving for variable 'r'.

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

Add '-24' to each side of the equation.
24 + -24 + -20r = 44 + -24

Combine like terms: 24 + -24 = 0
0 + -20r = 44 + -24
-20r = 44 + -24

Combine like terms: 44 + -24 = 20
-20r = 20

Divide each side by '-20'.
r = -1

Simplifying
r = -1

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