r+179=-9r-21

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Solution for r+179=-9r-21 equation:


Simplifying
r + 179 = -9r + -21

Reorder the terms:
179 + r = -9r + -21

Reorder the terms:
179 + r = -21 + -9r

Solving
179 + r = -21 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
179 + r + 9r = -21 + -9r + 9r

Combine like terms: r + 9r = 10r
179 + 10r = -21 + -9r + 9r

Combine like terms: -9r + 9r = 0
179 + 10r = -21 + 0
179 + 10r = -21

Add '-179' to each side of the equation.
179 + -179 + 10r = -21 + -179

Combine like terms: 179 + -179 = 0
0 + 10r = -21 + -179
10r = -21 + -179

Combine like terms: -21 + -179 = -200
10r = -200

Divide each side by '10'.
r = -20

Simplifying
r = -20

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