-2-9(1+2r)=-47

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Solution for -2-9(1+2r)=-47 equation: 


Simplifying
-2 + -9(1 + 2r) = -47
-2 + (1 * -9 + 2r * -9) = -47
-2 + (-9 + -18r) = -47

Combine like terms: -2 + -9 = -11
-11 + -18r = -47

Solving
-11 + -18r = -47

Solving for variable 'r'.

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

Add '11' to each side of the equation.
-11 + 11 + -18r = -47 + 11

Combine like terms: -11 + 11 = 0
0 + -18r = -47 + 11
-18r = -47 + 11

Combine like terms: -47 + 11 = -36
-18r = -36

Divide each side by '-18'.
r = 2

Simplifying
r = 2

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