(25r+2y-12)+(36r+8y-4)=

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Solution for (25r+2y-12)+(36r+8y-4)= equation:


Simplifying
(25r + 2y + -12) + (36r + 8y + -4) = 0

Reorder the terms:
(-12 + 25r + 2y) + (36r + 8y + -4) = 0

Remove parenthesis around (-12 + 25r + 2y)
-12 + 25r + 2y + (36r + 8y + -4) = 0

Reorder the terms:
-12 + 25r + 2y + (-4 + 36r + 8y) = 0

Remove parenthesis around (-4 + 36r + 8y)
-12 + 25r + 2y + -4 + 36r + 8y = 0

Reorder the terms:
-12 + -4 + 25r + 36r + 2y + 8y = 0

Combine like terms: -12 + -4 = -16
-16 + 25r + 36r + 2y + 8y = 0

Combine like terms: 25r + 36r = 61r
-16 + 61r + 2y + 8y = 0

Combine like terms: 2y + 8y = 10y
-16 + 61r + 10y = 0

Solving
-16 + 61r + 10y = 0

Solving for variable 'r'.

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

Add '16' to each side of the equation.
-16 + 61r + 16 + 10y = 0 + 16

Reorder the terms:
-16 + 16 + 61r + 10y = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 61r + 10y = 0 + 16
61r + 10y = 0 + 16

Combine like terms: 0 + 16 = 16
61r + 10y = 16

Add '-10y' to each side of the equation.
61r + 10y + -10y = 16 + -10y

Combine like terms: 10y + -10y = 0
61r + 0 = 16 + -10y
61r = 16 + -10y

Divide each side by '61'.
r = 0.262295082 + -0.1639344262y

Simplifying
r = 0.262295082 + -0.1639344262y

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