83.2k views
4 votes
HELP ME SOLVE THIS PLEASE You paid $600 for a new guitar. Your guitar cost $40 more than twice the cost of your friend's guitar. How much did your friend's guitar cost?

User Jimmyorr
by
4.8k points

2 Answers

2 votes

Answer:

520??

Explanation:

600-80=520??

educated guess.

User Danthar
by
4.6k points
1 vote
Make an equation for this...

600= 2x+40

Subtract 40 from each side to cancel out the +40 from the right side

560= 2x

Divide by two to isolate the variable

280= x

ANSWER:
$280
User Bruno Guarita
by
4.6k points