Question

help me i need it what is the answer
70-35=20+____

Answer 1

Answer:

The number needed is 15

Step-by-step explanation:

Step 1:  Solve for x

70 - 35 = 20 + x

70 - 35 - 20 = 20 + x - 20

15 = x

Answer:  The number needed is 15

Answer 2

Answer:

15

Step-by-step explanation:

70-35=35

20+15=35

35=35

So,70-35=20+15