42r-3(6+x)-1=2

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Solution for 42r-3(6+x)-1=2 equation: 


Simplifying
42r + -3(6 + x) + -1 = 2
42r + (6 * -3 + x * -3) + -1 = 2
42r + (-18 + -3x) + -1 = 2

Reorder the terms:
-18 + -1 + 42r + -3x = 2

Combine like terms: -18 + -1 = -19
-19 + 42r + -3x = 2

Solving
-19 + 42r + -3x = 2

Solving for variable 'r'.

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

Add '19' to each side of the equation.
-19 + 42r + 19 + -3x = 2 + 19

Reorder the terms:
-19 + 19 + 42r + -3x = 2 + 19

Combine like terms: -19 + 19 = 0
0 + 42r + -3x = 2 + 19
42r + -3x = 2 + 19

Combine like terms: 2 + 19 = 21
42r + -3x = 21

Add '3x' to each side of the equation.
42r + -3x + 3x = 21 + 3x

Combine like terms: -3x + 3x = 0
42r + 0 = 21 + 3x
42r = 21 + 3x

Divide each side by '42'.
r = 0.5 + 0.07142857143x

Simplifying
r = 0.5 + 0.07142857143x

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