Solve the simultaneous equations 3x + y = 4 x + y = 2
Rearrange the second equation (or first) in terms of y (or x) y = 2-xthen subsitute into the other equation 3x + (2-x) = 4The solve for x : 2x = 2 x = 1then subsitute that value for x into any equation and then solve for y: 1 + y = 2 so y = 1
EM
Related Maths GCSE answers
All answers ▸I’m having some trouble understanding functions. Mainly concerning how to know what the input and outputs are. Could you give me an explanation?
Simplify fully (3x^2-8x-3)/(2x^2-6x)
Solve the simultaneous equations: 3x+2y=4 and 4x+5y=17
The point P(-3,9) belongs to a line intercepting the origin. Find the equation of the line.