Practice problem
If x+2x+4x=1+2+4x+2x+4x = 1+2+4x+2x+4x=1+2+4, then...
x=0x=0x=0.
x=1x=1x=1.
x=−1x=-1x=−1.
None of the above.
Type a concept, like “slope” or “photosynthesis”.