z = 3x + 5y, if x = 7 and z = 41, what is 2y?

z = 3x + 5y 41 = 3(7) +5y 41= 21 + 5y 20 = 5y 4 = y y = 4 2y = 8

HA
Answered by Hannah A. Maths tutor

3896 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

2x+3x-4=5


Write 4x^2+18x+2 in form a(x+m)+n.


a). Solve x-4=13, b). solve 7y=35 c). solve 3w-9=27


Find the equation of the tangent to the curve y = x√x at the point (4,6).


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning