exam Maths Puzzle Numerical Ability

I need help using the intercpet to graph this equation

x+2y=4

Read Solution (Total 0)

exam Other Question

This question needs to be solved with the addition/elimination method.
0.4x-0.1y=0.3
-80x+20y=40 Could someone please explain how to work out this problem?
Write the equation of the line with slope -2 and passes through the point (-1,5)
Then write the equation in standard form.
Thanks