3x + 2 = 11. what is x?
3x + 2 = 11 . 3x = 9 . x=3 .
EV
Related Maths GCSE answers
All answers ▸Define x and y if 3x+y=11 and 5x-2y=11
The graph of y = x^2 – 1 is translated 3 units to the left to give graph A.The equation of graphA can be written in the form y=x^2 +bx+c Work out the values of b and c.
Two shops have deals for purchasing pens: "3 for £2" and "5 for £3" . Mr. Papadopoulos wants to buy 30 pens for his class in school, which deal should he use if he wants to spend the least amount of money possible, and how much will he spend?
Solve: 3x+5y=19 4x-2y=-18