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**Mathtard** Hey guys, I have these two questions, which I am confused about. If anyone could help me I would be very grateful!

"Solve the following simultaenous equations using an analytical method (either elimination or by substitution of methods) and then check your answers by plotting their graphs on the same set of axes.

$\displaystyle

y = 2 + 2x$

$\displaystyle 3y = 20 - x$

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second question

Find the roots of the following Quadratic equations using the methods specified:

$\displaystyle x^2 - 6x + 9 = 0$ by Factorisation

$\displaystyle 3x^2 - 8x + 2 = 0$ using the quadratic solution formula.