7p-9=3(p+5)

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Solution for 7p-9=3(p+5) equation:


Simplifying
7p + -9 = 3(p + 5)

Reorder the terms:
-9 + 7p = 3(p + 5)

Reorder the terms:
-9 + 7p = 3(5 + p)
-9 + 7p = (5 * 3 + p * 3)
-9 + 7p = (15 + 3p)

Solving
-9 + 7p = 15 + 3p

Solving for variable 'p'.

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

Add '-3p' to each side of the equation.
-9 + 7p + -3p = 15 + 3p + -3p

Combine like terms: 7p + -3p = 4p
-9 + 4p = 15 + 3p + -3p

Combine like terms: 3p + -3p = 0
-9 + 4p = 15 + 0
-9 + 4p = 15

Add '9' to each side of the equation.
-9 + 9 + 4p = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 4p = 15 + 9
4p = 15 + 9

Combine like terms: 15 + 9 = 24
4p = 24

Divide each side by '4'.
p = 6

Simplifying
p = 6

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