24+r+7r-19+9r+12-r-7=

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Solution for 24+r+7r-19+9r+12-r-7= equation: 


Simplifying
24 + r + 7r + -19 + 9r + 12 + -1r + -7 = 0

Reorder the terms:
24 + -19 + 12 + -7 + r + 7r + 9r + -1r = 0

Combine like terms: 24 + -19 = 5
5 + 12 + -7 + r + 7r + 9r + -1r = 0

Combine like terms: 5 + 12 = 17
17 + -7 + r + 7r + 9r + -1r = 0

Combine like terms: 17 + -7 = 10
10 + r + 7r + 9r + -1r = 0

Combine like terms: r + 7r = 8r
10 + 8r + 9r + -1r = 0

Combine like terms: 8r + 9r = 17r
10 + 17r + -1r = 0

Combine like terms: 17r + -1r = 16r
10 + 16r = 0

Solving
10 + 16r = 0

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 16r = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 16r = 0 + -10
16r = 0 + -10

Combine like terms: 0 + -10 = -10
16r = -10

Divide each side by '16'.
r = -0.625

Simplifying
r = -0.625

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