Question

solve 3 + b is equal to 10 ​

Answer 1

Answer:

b=7

so 3+7=10 is the answer

Answer 2

Answer:

7

Step-by-step explanation:

3+b=10

b=10-3

b=7

Transposition method

Systematic method

3+b=10

Subtract 3 from both sides

3+b-3=10-3

b=10-3

b=7

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