book Maths Puzzle Numerical Ability Algebra

x= 2y-1 and 2x+y=81

solve using substitution

x=?
y=?

show work please thank you!!

Read Solution (Total 1)

book Other Question

I need your help with, Factoring Trinomials By Grouping, If the Trinomials cannot be factored write "PRIME"

3x^2-7xy+6xy-14y^2
solve for h.
v = 1/3(pie)r(squared)h