4(r+3)-3r=19

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Solution for 4(r+3)-3r=19 equation:


Simplifying
4(r + 3) + -3r = 19

Reorder the terms:
4(3 + r) + -3r = 19
(3 * 4 + r * 4) + -3r = 19
(12 + 4r) + -3r = 19

Combine like terms: 4r + -3r = 1r
12 + 1r = 19

Solving
12 + 1r = 19

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + 1r = 19 + -12

Combine like terms: 12 + -12 = 0
0 + 1r = 19 + -12
1r = 19 + -12

Combine like terms: 19 + -12 = 7
1r = 7

Divide each side by '1'.
r = 7

Simplifying
r = 7

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