3p-(5p+12)=7-(7p-9)

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Solution for 3p-(5p+12)=7-(7p-9) equation:


Simplifying
3p + -1(5p + 12) = 7 + -1(7p + -9)

Reorder the terms:
3p + -1(12 + 5p) = 7 + -1(7p + -9)
3p + (12 * -1 + 5p * -1) = 7 + -1(7p + -9)
3p + (-12 + -5p) = 7 + -1(7p + -9)

Reorder the terms:
-12 + 3p + -5p = 7 + -1(7p + -9)

Combine like terms: 3p + -5p = -2p
-12 + -2p = 7 + -1(7p + -9)

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

Combine like terms: 7 + 9 = 16
-12 + -2p = 16 + -7p

Solving
-12 + -2p = 16 + -7p

Solving for variable 'p'.

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

Add '7p' to each side of the equation.
-12 + -2p + 7p = 16 + -7p + 7p

Combine like terms: -2p + 7p = 5p
-12 + 5p = 16 + -7p + 7p

Combine like terms: -7p + 7p = 0
-12 + 5p = 16 + 0
-12 + 5p = 16

Add '12' to each side of the equation.
-12 + 12 + 5p = 16 + 12

Combine like terms: -12 + 12 = 0
0 + 5p = 16 + 12
5p = 16 + 12

Combine like terms: 16 + 12 = 28
5p = 28

Divide each side by '5'.
p = 5.6

Simplifying
p = 5.6

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