Algebra

Question 1

solve: 1/2x + 1/3 = 3.833333333333333333333333333

Answer 1

x=7

Question 2

solve: 4y - 2(4+8) = -10

Answer 2

y=3.5

Question 3

expand: 2(2y - 3)^2

Answer 3

16y^2 - 48y - 36

Question 4

factorise: 4y^2 + 2y - 42

Answer 4

(2y + 7) (2y - 6)

Question 5

Make t the subject of the formula:

3t - 8 = 4/t

Answer 5

t = the square root of 12

Question 6

make a the subject of the formula:

4a - 3b = 8a/4

Answer 6

3b/4 = a

Question 7

make y the subject of the formula:

2y + 3 = 3x

Answer 7

y = 3x - 3 / 2

Question 8

solve: 3a + x - 10 = 5.5

Answer 8

a=4

x=3.5