3-(-9)=12
answer of this question is 12
Answer:
5/21
Step-by-step explanation:
1/7 + 2/21 = ?
lcd of 7 and 21 is 21 so;
( 2/21 x 1/1) + 1/7 x 3/3) = 5/21
Answer 1: C. m + 7 less than or equal to 40
answer 2: C. 12 + 9h = 57
Answer:
t = -1
Step-by-step explanation:
8 + 9t - 3 + 4
Combine like terms
(8 - 3 + 4) + 9t
9 + 9t
9t + 9
Get <em>t</em> by itself
9t + 9 = 0
-9 -9
9t = -9
Divide both sides by 9 to find <em>t</em>
t = -1
Just isolate the y in both cases:
4y=-3+2x, y=-3/4+1/2x
-2y=-3x+4, y=3/2x-2