Question

Write an equation for each situation, Then solve your equation.

A number is multiplied by 20. The result is 200.

A number is multiplied by 3. Then subtracted from 7. The result is 1.

Answer 1

Answer:

$1)20x = 200 \\ x = \frac{200}{20} \\ x = 10$

$2)7 - 3y = 1 \\ - 3y = 1 - 7 \\ - 3y = - 6 \\ 3y = 6 \\ y = \frac{6}{3} \\ y = 2$