Question

B) 7x -15 = 50
C) 6(x + 2 ) – 2 ( 3 + x ) = 30

Answer 1

B)

7x - 15 = 50

7x = 50 - 15

7x = 35

x = 35/7

x = 5

C)

6 (x + 2) - 2 (3 + x) = 30

6x + 12 - 6 -2x = 30

6x -2x = 30 - 12 - 6

4x = 30 - 18

4x = 12

x = 12/4

x = 3