Answered

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Shane bought 36 gallons of gas this week this amount is 6 gallons more than twice the amount of gas he bought last week how many gallons of gas in Shane by last week

Sagot :

so, she bought 15 gallons of gas last week

Explanation

Step 1

Let

36 gallons this week

x= number of gallons of gas Shane bought las week

this amount is 6 gallons more than twice the amount of gas he bought last week , then

[tex]36=2x+6[/tex]

Step 2

solve for x

[tex]\begin{gathered} 36=2x+6 \\ \text{subtract 6 in both sides} \\ 36-6=2x+6-6 \\ 30=2x \\ \text{divide each side by 2} \\ \frac{30}{2}=\frac{2x}{2} \\ x=15 \end{gathered}[/tex]

so, she bought 15 gallons of gas last week

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