.9p-7=.5p+20

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Solution for .9p-7=.5p+20 equation:


Simplifying
0.9p + -7 = 0.5p + 20

Reorder the terms:
-7 + 0.9p = 0.5p + 20

Reorder the terms:
-7 + 0.9p = 20 + 0.5p

Solving
-7 + 0.9p = 20 + 0.5p

Solving for variable 'p'.

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

Add '-0.5p' to each side of the equation.
-7 + 0.9p + -0.5p = 20 + 0.5p + -0.5p

Combine like terms: 0.9p + -0.5p = 0.4p
-7 + 0.4p = 20 + 0.5p + -0.5p

Combine like terms: 0.5p + -0.5p = 0.0
-7 + 0.4p = 20 + 0.0
-7 + 0.4p = 20

Add '7' to each side of the equation.
-7 + 7 + 0.4p = 20 + 7

Combine like terms: -7 + 7 = 0
0 + 0.4p = 20 + 7
0.4p = 20 + 7

Combine like terms: 20 + 7 = 27
0.4p = 27

Divide each side by '0.4'.
p = 67.5

Simplifying
p = 67.5

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