19+2r-3=4

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Solution for 19+2r-3=4 equation: 


Simplifying
19 + 2r + -3 = 4

Reorder the terms:
19 + -3 + 2r = 4

Combine like terms: 19 + -3 = 16
16 + 2r = 4

Solving
16 + 2r = 4

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 + -16 + 2r = 4 + -16

Combine like terms: 16 + -16 = 0
0 + 2r = 4 + -16
2r = 4 + -16

Combine like terms: 4 + -16 = -12
2r = -12

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

Simplifying
r = -6

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