7+.20(p-1)=5+.30(p-1)

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Solution for 7+.20(p-1)=5+.30(p-1) equation:


Simplifying
7 + 0.20(p + -1) = 5 + 0.30(p + -1)

Reorder the terms:
7 + 0.20(-1 + p) = 5 + 0.30(p + -1)
7 + (-1 * 0.20 + p * 0.20) = 5 + 0.30(p + -1)
7 + (-0.2 + 0.20p) = 5 + 0.30(p + -1)

Combine like terms: 7 + -0.2 = 6.8
6.8 + 0.20p = 5 + 0.30(p + -1)

Reorder the terms:
6.8 + 0.20p = 5 + 0.30(-1 + p)
6.8 + 0.20p = 5 + (-1 * 0.30 + p * 0.30)
6.8 + 0.20p = 5 + (-0.3 + 0.30p)

Combine like terms: 5 + -0.3 = 4.7
6.8 + 0.20p = 4.7 + 0.30p

Solving
6.8 + 0.20p = 4.7 + 0.30p

Solving for variable 'p'.

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

Add '-0.30p' to each side of the equation.
6.8 + 0.20p + -0.30p = 4.7 + 0.30p + -0.30p

Combine like terms: 0.20p + -0.30p = -0.1p
6.8 + -0.1p = 4.7 + 0.30p + -0.30p

Combine like terms: 0.30p + -0.30p = 0.00
6.8 + -0.1p = 4.7 + 0.00
6.8 + -0.1p = 4.7

Add '-6.8' to each side of the equation.
6.8 + -6.8 + -0.1p = 4.7 + -6.8

Combine like terms: 6.8 + -6.8 = 0.0
0.0 + -0.1p = 4.7 + -6.8
-0.1p = 4.7 + -6.8

Combine like terms: 4.7 + -6.8 = -2.1
-0.1p = -2.1

Divide each side by '-0.1'.
p = 21

Simplifying
p = 21

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