Solve these simultaneous equations: 3y + x = 18 and x - 4y = -10.
Write x in terms of y using one of the equations. Then substitute it in the second equation, which is then only in terms of y. Find y. Then you can easily find x.
Answer: x = 6 and y = 4.
TE
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All answers ▸Could you explain ratios to me?
If a right-angled triangle has one side measuring 8cm and another measuring 15cm, what is the length of the hypotenuse?
Determine the coordinates of the intersection point(s) between the line y = x^2 + 4x - 8 and y = - 2x - 17
3(x-2) - 2(x-2)