(4)3(1+p)=21

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Solution for (4)3(1+p)=21 equation:


Simplifying
(4) * 3(1 + p) = 21

Multiply 4 * 3
12(1 + p) = 21
(1 * 12 + p * 12) = 21
(12 + 12p) = 21

Solving
12 + 12p = 21

Solving for variable 'p'.

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

Add '-12' to each side of the equation.
12 + -12 + 12p = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 12p = 21 + -12
12p = 21 + -12

Combine like terms: 21 + -12 = 9
12p = 9

Divide each side by '12'.
p = 0.75

Simplifying
p = 0.75

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