Answer:
Given:
x-y=-4
2x+y=4
Step-by-step explanation:
add both the equation, we get
⇒ x-y=-4
⇒3x=-4+4
⇒3x=0
⇒x=0
∴ to find the value of y, put the value of x in any one equation
⇒x-y=-4
⇒0-y=-4
⇒-y=-4
⇒y=4
∴ x=0, y=4
Answer is: B) An allowable amount of variation of a specified quantity, especially in the dimensions of a machine part.
Tolerance is how much something can take.
3452.2
