Solve for p
p=\frac{10x}{13}
Solve for x
x=\frac{13p}{10}
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1.04p=0.8x
Swap sides so that all variable terms are on the left hand side.
1.04p=\frac{4x}{5}
The equation is in standard form.
\frac{1.04p}{1.04}=\frac{4x}{1.04\times 5}
Divide both sides of the equation by 1.04, which is the same as multiplying both sides by the reciprocal of the fraction.
p=\frac{4x}{1.04\times 5}
Dividing by 1.04 undoes the multiplication by 1.04.
p=\frac{10x}{13}
Divide \frac{4x}{5} by 1.04 by multiplying \frac{4x}{5} by the reciprocal of 1.04.
0.8x=\frac{26p}{25}
The equation is in standard form.
\frac{0.8x}{0.8}=\frac{26p}{0.8\times 25}
Divide both sides of the equation by 0.8, which is the same as multiplying both sides by the reciprocal of the fraction.
x=\frac{26p}{0.8\times 25}
Dividing by 0.8 undoes the multiplication by 0.8.
x=\frac{13p}{10}
Divide \frac{26p}{25} by 0.8 by multiplying \frac{26p}{25} by the reciprocal of 0.8.
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