The sum of two number is 148 their difference is 40 find the number

Answer 1

Create 2 equations. (Systems of equations)

x + y = 148

x - y = 40

Add the two equations together.

2x = 188

x= 94

Plug in 94 (your x) into one of the equations and solve for y.

94 + y = 148

y= 54

94+54=148

The 2 #'s have a difference of 40

:)

Answer 2

x = first number

y = second number

x + y = 148

x - y = 40

add 2 equation:

2x = 188

x = 94

x + y = 148

94 + y = 148

y = 54