3p-2(5p+10)=7(p-2)+9

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Solution for 3p-2(5p+10)=7(p-2)+9 equation:


Simplifying
3p + -2(5p + 10) = 7(p + -2) + 9

Reorder the terms:
3p + -2(10 + 5p) = 7(p + -2) + 9
3p + (10 * -2 + 5p * -2) = 7(p + -2) + 9
3p + (-20 + -10p) = 7(p + -2) + 9

Reorder the terms:
-20 + 3p + -10p = 7(p + -2) + 9

Combine like terms: 3p + -10p = -7p
-20 + -7p = 7(p + -2) + 9

Reorder the terms:
-20 + -7p = 7(-2 + p) + 9
-20 + -7p = (-2 * 7 + p * 7) + 9
-20 + -7p = (-14 + 7p) + 9

Reorder the terms:
-20 + -7p = -14 + 9 + 7p

Combine like terms: -14 + 9 = -5
-20 + -7p = -5 + 7p

Solving
-20 + -7p = -5 + 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.
-20 + -7p + -7p = -5 + 7p + -7p

Combine like terms: -7p + -7p = -14p
-20 + -14p = -5 + 7p + -7p

Combine like terms: 7p + -7p = 0
-20 + -14p = -5 + 0
-20 + -14p = -5

Add '20' to each side of the equation.
-20 + 20 + -14p = -5 + 20

Combine like terms: -20 + 20 = 0
0 + -14p = -5 + 20
-14p = -5 + 20

Combine like terms: -5 + 20 = 15
-14p = 15

Divide each side by '-14'.
p = -1.071428571

Simplifying
p = -1.071428571

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