Answer:
52
Step-by-step explanation:
Answer:
Step 4.
Step-by-step explanation:
To isolate the x variable, she subtracts 8 from both sides making it another subtraction property of equality justification.
Answer:
area of a square = side x side
Step-by-step explanation:
Answer:
x=-4 and y=10
Step-by-step explanation:
Use the second equation to make y=x+6
sub y=x+6 into the first equation
-x-2*(x+6)=0
-x-2x-12=0
-3x-12=0
3x=-12
x=-4
Now sub x=-4 into the second equation
-(-4)+y=6
y=6+4
y=10
