Tom is given the equation 10x+15=20
to solve. He says the solution is 1/2
. Which reason justifies his solution?(1 point)
Responses
Tom says that to solve the equation you first divide by 10 and then subtract 15.
Tom says that to solve the equation you first divide by 10 and then subtract 15.
Tom says that to solve the equation you first subtract 15 and then multiply by 10.
Tom says that to solve the equation you first subtract 15 and then multiply by 10.
Tom says that to solve the equation you first add 15 and then divide by 10.
Tom says that to solve the equation you first add 15 and then divide by 10.
Tom says that to solve the equation you first subtract 15 and then divide by 10.
1 answer
Tom's reasoning is incorrect. To solve the equation 10x + 15 = 20, the correct steps would be to first subtract 15 from both sides of the equation, then divide both sides by 10.
2 answers