Datrys Hafaliadau 2 Gam - Lefel 1

Datryswch yr hafaliad 10y - 5 = 15

• y = 2
• y = 1
• y = 10
• y = 5
• y = 5

Datryswch yr hafaliad 2n + 17 = 25

• n = 5
• n = 4
• n = 2
• n = 7
• n = 17

Datryswch yr hafaliad 5p - 8 = 42

• p = 9
• p = 10
• p = 5
• p = 13
• p = 8

Datryswch yr hafaliad 5z + 8 = 33

• z = 4
• z = 7
• z = 5
• z = 8
• z = 8

Datryswch yr hafaliad 4𝑥 - 11 = 25

• 𝑥 = 8
• 𝑥 = 4
• 𝑥 = 9
• 𝑥 = 12
• 𝑥 = 11

Datryswch yr hafaliad 8𝑥 + 12 = 100

• 𝑥 = 12
• 𝑥 = 8
• 𝑥 = 14
• 𝑥 = 11
• 𝑥 = 15

Datryswch yr hafaliad 2y - 7 = 7

• y = 8
• y = 2
• y = 10
• y = 7
• y = 11

Datryswch yr hafaliad 6k + 8 = 14

• k = 0
• k = 6
• k = 8
• k = 4
• k = 1

Datryswch yr hafaliad 4t - 3 = 1

• t = 2
• t = 4
• t = 4
• t = 3
• t = 1

Datryswch yr hafaliad 9a + 18 = 117

• a = 11
• a = 12
• a = 9
• a = 14
• a = 18