7(p+7)-4(9+p)=12

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Solution for 7(p+7)-4(9+p)=12 equation:


Simplifying
7(p + 7) + -4(9 + p) = 12

Reorder the terms:
7(7 + p) + -4(9 + p) = 12
(7 * 7 + p * 7) + -4(9 + p) = 12
(49 + 7p) + -4(9 + p) = 12
49 + 7p + (9 * -4 + p * -4) = 12
49 + 7p + (-36 + -4p) = 12

Reorder the terms:
49 + -36 + 7p + -4p = 12

Combine like terms: 49 + -36 = 13
13 + 7p + -4p = 12

Combine like terms: 7p + -4p = 3p
13 + 3p = 12

Solving
13 + 3p = 12

Solving for variable 'p'.

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

Add '-13' to each side of the equation.
13 + -13 + 3p = 12 + -13

Combine like terms: 13 + -13 = 0
0 + 3p = 12 + -13
3p = 12 + -13

Combine like terms: 12 + -13 = -1
3p = -1

Divide each side by '3'.
p = -0.3333333333

Simplifying
p = -0.3333333333

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