Liam is solving the equation 7x+6(x+3)=83
. His steps are shown below. What mistake did Liam make while solving?
7x+6(x+3)=83
7x+6x+3=83
13x+3=83
13x+3−3=83−3
13x=80
13x/13= 80/13
x=6 2/13
. His steps are shown below. What mistake did Liam make while solving?
7x+6(x+3)=83
7x+6x+3=83
13x+3=83
13x+3−3=83−3
13x=80
13x/13= 80/13
x=6 2/13