Question

Using the Addition Method, solve for x in the following system of linear equations.

2y + x = 4
y – 3x = 2

a.)
x = 1

b.)
x = 2

c.)
x = 8

d.)
x = 0

Answer 1

x = 0

Explanation:

if 2y + x = 4

we can assume that y = 2
if y - 3x = 2

it means 2 - 0 = 2

therefore x = 0