YLC-SSES-尋找未知數

解方程：3x + 5 = 17

• x = 4

• x = 7

• x = 2

• x = 10

求解：2y - 8 = 10

• y = -2

• y = 9

• y = 5

• y = 12

找出x：4x - 7 = 25

• x = 12

• x = 10

• x = 6

• x = 8

解方程：6a + 9 = 33

• a = 4

• a = 7

• a = 3

• a = 5

求解：5b - 4 = 21

• b = 10

• b = 5

• b = 3

• b = 7

找出x：2c - 3 = 11

• x = 10

• x = 7

• x = 5

• x = -4

解方程：7m + 4 = 25

• m = 5

• m = 3

• m = 2

• m = 10

求解：3n - 6 = 15

• n = 10

• n = 7

• n = 5

• n = 8

找出x：8p - 12 = 36

• x = 20

• x = 10

• x = 6

• x = 4

解方程：9q + 10 = 37

• q = 5

• q = 3

• q = 2

• q = 8