2 years ago

I need help do some of the questions for me please

Mathematics

1 answer:

Olin [163]2 years ago

3 0

1. 30

2. 14

3. 6

4. 1

5. 2

6. 7×(x+2)=56

x+2=56/7

x=8-2

x=6

7. 12÷(x-2)=3

x-2=3×12

x-2=36

x=36+2

x=38

8. (7+5)×x=36

12×x=36

x=36÷12

x=3

9. (7-5)×x+3=7

(7-5)×x=7-3

2×x=4

x=4÷2

x=2

10. (8÷2)+(6×2)

=4+12

=16

11. 4×4=16

12. 16÷4=4

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