x = 5
Step-by-step explanation:
Add the equations
x + y = 3
x - y = 7
––––––––
2x = 10
Divide both sides by2
Note: for the equations in the question,
none of the given answers are correct.
the forst and 3rd
step-by-step explanation:
hello :
by applying the distributive property :
6 × 4.3 = 6 × ( 4 + 0.3 )
= (6 × 4) + (6 × 0.3)
= 24 + 1.8
6 × 4.3 = 25.8