# data[].attributes.body
3x+1+2x+8x=2x-7-5x
13x+1=-3x-7
16x=-8
x=-2

# data[].attributes.body
1/2x+3/2x=1
4/4x=1
x=1

# data[].attributes.body
3x+9=7
3x=7-9
3x=-2
x=-2/3

# data[].attributes.body
3x+3y=6xy