4(p-1)+5(p-1)=100

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Solution for 4(p-1)+5(p-1)=100 equation:


Simplifying
4(p + -1) + 5(p + -1) = 100

Reorder the terms:
4(-1 + p) + 5(p + -1) = 100
(-1 * 4 + p * 4) + 5(p + -1) = 100
(-4 + 4p) + 5(p + -1) = 100

Reorder the terms:
-4 + 4p + 5(-1 + p) = 100
-4 + 4p + (-1 * 5 + p * 5) = 100
-4 + 4p + (-5 + 5p) = 100

Reorder the terms:
-4 + -5 + 4p + 5p = 100

Combine like terms: -4 + -5 = -9
-9 + 4p + 5p = 100

Combine like terms: 4p + 5p = 9p
-9 + 9p = 100

Solving
-9 + 9p = 100

Solving for variable 'p'.

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

Add '9' to each side of the equation.
-9 + 9 + 9p = 100 + 9

Combine like terms: -9 + 9 = 0
0 + 9p = 100 + 9
9p = 100 + 9

Combine like terms: 100 + 9 = 109
9p = 109

Divide each side by '9'.
p = 12.11111111

Simplifying
p = 12.11111111

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