4(r+3)=4(15+3)

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Solution for 4(r+3)=4(15+3) equation:


Simplifying
4(r + 3) = 4(15 + 3)

Reorder the terms:
4(3 + r) = 4(15 + 3)
(3 * 4 + r * 4) = 4(15 + 3)
(12 + 4r) = 4(15 + 3)

Combine like terms: 15 + 3 = 18
12 + 4r = 4(18)

Multiply 4 * 18
12 + 4r = 72

Solving
12 + 4r = 72

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 + 4r = 72 + -12

Combine like terms: 12 + -12 = 0
0 + 4r = 72 + -12
4r = 72 + -12

Combine like terms: 72 + -12 = 60
4r = 60

Divide each side by '4'.
r = 15

Simplifying
r = 15

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