Find the point of intersection of the lines y=2x-7 and 4y-2=3x
Substitute y into 4y-2=3x
4(2x-7)-2=3x -> 8x-28-2=3x -> 8x-3x=28+2 -> 5x=30 -> x=30/5 -> x=6
subsitute x into y=2x-7
y=2(6)-7 -> y=12-7 -> y=5
Point = ( 6 , 5 )
IG
Related Maths A Level answers
All answers ▸Find the equation of the tangent to the curve y^3 - 4x^2 - 3xy + 25 = 0 at the point (2,-3).
Differentiate x^5 + 3x^2 - 17 with respect to x
A curve has the equation x^2+2y^2=3x, by differentiating implicitly find dy/dy in terms of x and y.
Complete the square for the following equation: 2x^2+6x-3=0