Answer:
The answer is 10x - 10y - 9
Step-by-step explanation:
14 - 3 - 20 = -9
2y - 12y = -10y
7x + 3x = 10x
14 + 2y - 3 + 7x - 12y + 3x - 20 = 10x - 10y - 9
Answer:


Step-by-step explanation:


Solve for the first variable in one of the equations, then substitute the result into the other equation.
Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.
---> 
Its 4 because 2+2 is 4 and then you're subtracting 2 and then adding 2 again so its 4
Answer:
Step-by-step explanation:
Simplify 3 ratical- 1000