Answer:
x = 2
Step-by-step explanation:
Given the 2 equations
2x + y = 3 → (1)
5x - 2y = 12 → (2)
Multiplying (1) by 2 and adding to (2) will eliminate the y- term
4x + 2y = 6 → (3)
Add (2) and (3) term by term
(5x + 4x ) +( - 2y + 2y) = 12 + 6 , that is
9x = 18 ( divide both sides by 9 )
x = 2
The properties are the commutative, associative, additive identity and distributive properties
Answer:
r = - 29
Step-by-step explanation:
Given
- 3r = 87 ( divide both sides by - 3 )
r = 
= - 29
Answer
Yes, they are equivalent.
Step-by-step explanation:
10x2=20
13x2=26
Answer:
(1.5, 2.5) is the best approximate solution.
Step-by-step explanation:
According to the graph, at the point of intersection of these two lines, x is closest to 1.5 and y is simultaneously closest to 2.5.
(1.5, 2.5) is the best approximate solution.
