(-15r)-(-25r)+21r+(-29r)-10r-5=19

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Solution for (-15r)-(-25r)+21r+(-29r)-10r-5=19 equation:


Simplifying
(-15r) + -1(-25r) + 21r + (-29r) + -10r + -5 = 19

Remove parenthesis around (-25r)
(-15r) + -1 * -25r + 21r + (-29r) + -10r + -5 = 19

Multiply -1 * -25
(-15r) + 25r + 21r + (-29r) + -10r + -5 = 19

Reorder the terms:
-5 + (-15r) + 25r + 21r + (-29r) + -10r = 19

Combine like terms: (-15r) + 25r = 10r
-5 + 10r + 21r + (-29r) + -10r = 19

Combine like terms: 10r + 21r = 31r
-5 + 31r + (-29r) + -10r = 19

Combine like terms: 31r + (-29r) = 2r
-5 + 2r + -10r = 19

Combine like terms: 2r + -10r = -8r
-5 + -8r = 19

Solving
-5 + -8r = 19

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + -8r = 19 + 5

Combine like terms: -5 + 5 = 0
0 + -8r = 19 + 5
-8r = 19 + 5

Combine like terms: 19 + 5 = 24
-8r = 24

Divide each side by '-8'.
r = -3

Simplifying
r = -3

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