Answers
>
Maths
>
13 Plus
>
Article
Solve: 7x - 20 = 3x + 4
7x = 3x + 24 4x = 24 x =
24
/
4
x = 6
AG
Answered by
Alex G.
•
Maths tutor
3020 Views
See similar Maths 13 Plus tutors
Related Maths 13 Plus answers
All answers ▸
Simplify (5/x+1) + (6/x-5)
Solve algebraically the simultaneous equations: x^2 + y^2 = 25, y - 3x = 13
Factorize 9x+3xy-9zyx
Solve the following simultaneous equation: 3x+2y=20 and x+4y=20