Which of the following is a linear equation in two variables?
a. 3 − 4 = 12
b. 3 + 4 = 12
c. 3 + 4 = 12
d. 3x^2 − 4y^2 = 12


Sagot :

my answer:

b. 3 + 4 = 12

my Explanation:

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