Question

6) Write an equation and solve: Twice a number, increased by 3 is 7.

A) 2
B) 5
C)8
D) 20

Answer 1

A)2

Explanation:

2×x + 3=7

2x+3=7

2x=7-3

2x=4

divide both sides by the coefficient of x which is 2

2x=4

x=2