19=6r+7-4r

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Solution for 19=6r+7-4r equation:


Simplifying
19 = 6r + 7 + -4r

Reorder the terms:
19 = 7 + 6r + -4r

Combine like terms: 6r + -4r = 2r
19 = 7 + 2r

Solving
19 = 7 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
19 + -2r = 7 + 2r + -2r

Combine like terms: 2r + -2r = 0
19 + -2r = 7 + 0
19 + -2r = 7

Add '-19' to each side of the equation.
19 + -19 + -2r = 7 + -19

Combine like terms: 19 + -19 = 0
0 + -2r = 7 + -19
-2r = 7 + -19

Combine like terms: 7 + -19 = -12
-2r = -12

Divide each side by '-2'.
r = 6

Simplifying
r = 6

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