Which step is wrong 8(x-3)+7=2x(4-17) 8(x-3)+7=2x(13) 8x-24+7=26x 8x-17=26x -17=34x
Mathematics · Middle School · Tue Nov 03 2020
Answered on
Lets try and solve out this equation.
8(x-3)+7=2x(4-17)
Lets try and multiply 8 with (x-3)
8(x-3)=8x-24
So we have:
8x-24+7=2x*(-13)
Multiply 2x with -13.
8x-17=-26x
Lets put the variables on one side and the numbers on the other side. Every variable or number that will change sides, will have their sign changed from a + into a - and vice versa.
8x+26x=17
34x=17
Divide both sides with 34.
34x/34 = 17/34
x=½