Question

Use the five-step strategy for solving word problems to find the number described.

When twice a number is decreased by seven, the result is 43. What is the number?

Answer 1

x = 25

Explanation:

let x = unknown number

2x - 7 = 43

2x - 7 + 7 = 43 + 7

2x = 50

x = 25

Answer 2

Answer:25

Explanation:

2x-7=43

`2x-7=43\\\\2x=50\\x=50/2\\x=25`