4p+5p-4(p-10)=85

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Solution for 4p+5p-4(p-10)=85 equation:


Simplifying
4p + 5p + -4(p + -10) = 85

Reorder the terms:
4p + 5p + -4(-10 + p) = 85
4p + 5p + (-10 * -4 + p * -4) = 85
4p + 5p + (40 + -4p) = 85

Reorder the terms:
40 + 4p + 5p + -4p = 85

Combine like terms: 4p + 5p = 9p
40 + 9p + -4p = 85

Combine like terms: 9p + -4p = 5p
40 + 5p = 85

Solving
40 + 5p = 85

Solving for variable 'p'.

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

Add '-40' to each side of the equation.
40 + -40 + 5p = 85 + -40

Combine like terms: 40 + -40 = 0
0 + 5p = 85 + -40
5p = 85 + -40

Combine like terms: 85 + -40 = 45
5p = 45

Divide each side by '5'.
p = 9

Simplifying
p = 9

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