Question

Can someone please show me the steps to this question? Please
If 3x + 4y = 9, then x equals what

Answer 1

3x + 4y = 9
Move 4y to the RHS.
3x = 9 - 4y
Divide each side by 3.
x = (9 - 4y)3

Answer 2

Sorry.
The last line should be:
x = (9 - 4y)/3

Answer 3

oh okay, then what?

Answer 4

@robtobey

Answer 5

\[x=\frac{1}{3} (9-4 y) \]

Answer 6

ok is that all? @robtobey

Answer 7

Yes. This is a simple two step manipulation problem.
Thank you for the medal.

Answer 8

oh okay, thank you for helping me!