This worksheet is about solving two simultaneous linear equations.
Look for the same number of x's or y's.
Where there are none the same, multiply one or both equations to make them the same.
Substitute in eqn (1) to find y:
Solution is x = 1 and y = 2
Check by substituting in eqn (2) 2 x 1 + 2 x 2 = 2 + 4 = 6
NB If the signs are the same, both positive or both negative, subtract the equations to eliminate x or y.