Question

How do i do this and help me! Fast!!!

Answer 1

^^ what they said on top of my answer !

Answer 2

Answer: 1. 7, 2. 0, 3. 4, 4. 7, 14

Explanation:

1. (3+4)+7=14 3+(4+x) x=7 14-3+4

2. 15+0=15 15-15=0

3. (4x12)x6=288 Yx(12x6) 12x6=72 288/72= 4

4. (2x7)x5=70 2x(Yx5) 2x5=10 70/10=7 Y=7

5. 14x35=490 490/35=14