Y = -10 and x = -13 (substitute 2y + 7 for x)
Your answer is 5, you use the formula for a pyramid
Answer:
Fine,I guess :)...btw haii
The additive inverse: The usage of addition with a negative number.
The original equation is 21 - 11 = 10
To use the additive inverse, change it so that there is an addition sign.
21 + (-11) = 10
B) -11 is your answer
hope this helps
