For Addition, if the signs are the same, you add and keep the sign. And if they are different, you subtract and keep the sign of the greater absolute value.
For Subtraction, You change the subtraction sign to the addition one and then follow the rules of addition, above.
Answer:
17 hours
Step-by-step explanation:
Because 10+7 is 17 so that is your answer
Answer:
y = + 1x - 4y
Step-by-step explanation:
This could be the wrong way of writing it but thats the pattern ❤
