oitzmyia21
contestada

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?

Respuesta :

Answer:

520??

Step-by-step explanation:

600-80=520??

educated guess.

veatchadrianna
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