Matematika Sekolah Menengah Pertama tolong jawab beserta penjelasannya​

ceciledouglasulv – April 11, 2023

tolong jawab beserta penjelasannya​

1. x - 2 = 7

7 + 2 = x

9 = x

nilai x = 9

2. x + 10 = -3

-3 - 10 = x

(-13) = x

nilai x = (-13)

3. -7 = -5 + x

x = (-5) - (-7)

x = (-2)

nilai x = (-2)

4. 6 = x - 1

x = 1 + 6

x = 7

nilai x = 7