-(10r+2)=-(-3-9r)+10r

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Solution for -(10r+2)=-(-3-9r)+10r equation:


Simplifying
-1(10r + 2) = -1(-3 + -9r) + 10r

Reorder the terms:
-1(2 + 10r) = -1(-3 + -9r) + 10r
(2 * -1 + 10r * -1) = -1(-3 + -9r) + 10r
(-2 + -10r) = -1(-3 + -9r) + 10r
-2 + -10r = (-3 * -1 + -9r * -1) + 10r
-2 + -10r = (3 + 9r) + 10r

Combine like terms: 9r + 10r = 19r
-2 + -10r = 3 + 19r

Solving
-2 + -10r = 3 + 19r

Solving for variable 'r'.

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

Add '-19r' to each side of the equation.
-2 + -10r + -19r = 3 + 19r + -19r

Combine like terms: -10r + -19r = -29r
-2 + -29r = 3 + 19r + -19r

Combine like terms: 19r + -19r = 0
-2 + -29r = 3 + 0
-2 + -29r = 3

Add '2' to each side of the equation.
-2 + 2 + -29r = 3 + 2

Combine like terms: -2 + 2 = 0
0 + -29r = 3 + 2
-29r = 3 + 2

Combine like terms: 3 + 2 = 5
-29r = 5

Divide each side by '-29'.
r = -0.1724137931

Simplifying
r = -0.1724137931

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