Answer:
OD.0
Step-by-step explanation:
because 2(X+4)-1 = 2x+7
or, 2x+8-1 = 2x+7
or, 2x+7= 2x+7
and it cancels out eachother so it will be 0
Answer:
106 - 8h = 34
Whenever a math question says "when <em>h </em>= 9," they mean you substitute this number where <em>h </em>is in the equation.
106 - 8(9) = 34
106 - 72 = 34
34 = 34
This means the fact that h = 9 <u>is a solution for h.</u>
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Answer:
14. A. Commutative Property of Addition.
15. D. k=54
Step-by-step explanation:
6 + 9 = 9 + 6 is an example of the Commutative Property of Addition so that is your answer.
k + (-12) = 42. What you do is add the 12 to both sides to get your answer.
k=54 is your answer.
