Answer: A.Subtract 9 from both sides
Step-by-step explanation:
Answer A: Subtract 9 from both sides
Explanation: You want to solve the x from this equation, then the first thing is to put the number that has no valiable x to the other sides, so in this equations, we want to move 9 to the right side, so we subtract 9 from both sides.
B. 7.2
Step-by-step explanation:
-15.5+7.2=(-8.7) and vice versa.
Answer:
In math, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. You may use a slope while using coordinate planes.
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