Question

Solve each equation mentally. 2×=10. -3×=21

Answer 1

Step-by-step explanation:

To solve this you have to divide the number on the right side by the coefficient of x:

2x=10 --> 10/2=5

-3x=21 --> 21/(-3)=-7

Answers:

2x=10 --> 5

21/(-3) --> -7