Answers
>
Maths
>
GCSE
>
Article
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
4520 Views
See similar Maths GCSE tutors
Related Maths GCSE answers
All answers ▸
Solve the equation (6/x-2)-(6/x+1) =1
solve: x^2= 4(x-3)^2
ABC and DEF are similar isoceles triangles. AB=BC=5cm, AC=6cm, DF=12cm. What is the area of DEF?
The difference between two positive numbers is 50. The second number is 50 % smaller than the first one. What are the two numbers?