[9(p+4)-18]-[2(p-4)+1]=

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Solution for [9(p+4)-18]-[2(p-4)+1]= equation:


Simplifying
[9(p + 4) + -18] + -1[2(p + -4) + 1] = 0

Reorder the terms:
[9(4 + p) + -18] + -1[2(p + -4) + 1] = 0
[(4 * 9 + p * 9) + -18] + -1[2(p + -4) + 1] = 0
[(36 + 9p) + -18] + -1[2(p + -4) + 1] = 0

Reorder the terms:
[36 + -18 + 9p] + -1[2(p + -4) + 1] = 0

Combine like terms: 36 + -18 = 18
[18 + 9p] + -1[2(p + -4) + 1] = 0

Remove brackets around [18 + 9p]
18 + 9p + -1[2(p + -4) + 1] = 0

Reorder the terms:
18 + 9p + -1[2(-4 + p) + 1] = 0
18 + 9p + -1[(-4 * 2 + p * 2) + 1] = 0
18 + 9p + -1[(-8 + 2p) + 1] = 0

Reorder the terms:
18 + 9p + -1[-8 + 1 + 2p] = 0

Combine like terms: -8 + 1 = -7
18 + 9p + -1[-7 + 2p] = 0
18 + 9p + [-7 * -1 + 2p * -1] = 0
18 + 9p + [7 + -2p] = 0

Reorder the terms:
18 + 7 + 9p + -2p = 0

Combine like terms: 18 + 7 = 25
25 + 9p + -2p = 0

Combine like terms: 9p + -2p = 7p
25 + 7p = 0

Solving
25 + 7p = 0

Solving for variable 'p'.

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

Add '-25' to each side of the equation.
25 + -25 + 7p = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 7p = 0 + -25
7p = 0 + -25

Combine like terms: 0 + -25 = -25
7p = -25

Divide each side by '7'.
p = -3.571428571

Simplifying
p = -3.571428571

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