Question

find the value of x
y=x-2
7y-4x=10

Answer 1

7(x-2)-4x=10

Answer 2

x = 8
y = 6

Answer 3

faster than a speeding saifoo

Answer 4

lol

Answer 5

Plug the orginal equation again
7 (x - 2) - 4x = 10
7x - 14 - 4x = 10
3x - 14 = 10
3x = 24
x = 8

y = x - 2
y = 8 - 2
y = 6

Answer 6

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Answer 7

saifoo what calculator do u have?

Answer 8

Wolfram Alpha

Answer 9

Casio fx-570ES

Answer 10

Its called the brain

Answer 11

computer algebra system

Answer 12

No, Wolfram Sucks!
i hate that! >.<