P6 Algebra

Find the value of 5x - 1 + 2x when x = 3

• 6

• 8

• 18

• 20

• 12

• 14

• 16

• 18

Simplify b + 3b × 4 - 1 - 6b.

• 10b - 1

• 9b

• 1 - 7b

• 7b - 1

Simplify 8x + 6 - 1 - 3x + 9 × 2x.

• 28x

• 10x + 14

• 14 + 23x

• 23x + 5

Some adults and children are watching a musical. There are n children. There are 25 fewer adults than children. Find the number of adults in terms of n.

• n + 25

• 25 - n

• n - 25

• 2n - 25

A mother is now 3 times as old as her son. If the sum of their ages is 48 years, how old is her son?

• 16

• 12

• 8

• 4

Carina had $100. She bought t bottles of juice at $6 each.

If Carina bought 5 bottles of juice, how much money did she have left?

• $40

• $50

• $70

• $90