Answer:
Step-by-step explanation: X=2
Answer:
x=2 and y= -3
Step-by-step explanation:
This is a simultaneous equation. To solve this type of equation, there are three methods; substitution, Elimination and Graphical.
But here, we would be using the substitution method.
3x-y=9 Equation 1
2x-y=7. Equation 2
Getting y from equation 2, we have
-y= 7-2x
Multiply both sides by -
y= 2x-7 Equation 3
Substituting y for 2x-7 in equation 1, we have
3x- (2x-7)=9
3x-2x+7=9
x+7=9
x=9-7
x=2
Substituting x as 2 in equation 3
y=2x-7
y= 2(2)-7
y= 4-7
y= -3
Answer:
1/3x - 1/3
Step-by-step explanation:
First off, we can write this the words as a mathematical equations so its easier to work with:
1/3 (x - 1)
Now we can use distributive property and finally simplify this equation:
1/3 (x-1)
1/3x - 1/3 x 1
1/3x - 1/3
Answer: 
Step-by-step explanation:
