Solve the following:
(y–(4–3y))(2y–(3+4y))=15
We have to find the value of y
(y–(4–3y))(2y–(3+4y))=15⇒y-4+3y2y-3-4y=15⇒4y-4-2y-3=15⇒5(4y-4)=1(-2y-3)⇒20y-20=-2y-3⇒20y+2y=-3+20⇒22y=17⇒y=1722
Hence, y=1722 is the solution of given equation.
Solve the following system of linear equations forxandy
xa+yb=2;bx-ay=a+b
Question 69
2y−34−3y−52=y+34
Determine whether the following numbers are in proportion or not:
13,14,16,17