12p-(9p-7)=2(p+8)

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Solution for 12p-(9p-7)=2(p+8) equation:


Simplifying
12p + -1(9p + -7) = 2(p + 8)

Reorder the terms:
12p + -1(-7 + 9p) = 2(p + 8)
12p + (-7 * -1 + 9p * -1) = 2(p + 8)
12p + (7 + -9p) = 2(p + 8)

Reorder the terms:
7 + 12p + -9p = 2(p + 8)

Combine like terms: 12p + -9p = 3p
7 + 3p = 2(p + 8)

Reorder the terms:
7 + 3p = 2(8 + p)
7 + 3p = (8 * 2 + p * 2)
7 + 3p = (16 + 2p)

Solving
7 + 3p = 16 + 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
7 + 3p + -2p = 16 + 2p + -2p

Combine like terms: 3p + -2p = 1p
7 + 1p = 16 + 2p + -2p

Combine like terms: 2p + -2p = 0
7 + 1p = 16 + 0
7 + 1p = 16

Add '-7' to each side of the equation.
7 + -7 + 1p = 16 + -7

Combine like terms: 7 + -7 = 0
0 + 1p = 16 + -7
1p = 16 + -7

Combine like terms: 16 + -7 = 9
1p = 9

Divide each side by '1'.
p = 9

Simplifying
p = 9

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