Answer:
When you solve systems with two variables and therefore two equations, the ... of any variable is 1, which means you can easily solve for it in terms of the other ... In the substitution method, you use one equation to solve for one variable and ... Look for a variable with a coefficient of 1 … that's how you'll know where to begin.
Step-by-step explanation:
Answer: 55 minutes
Step-by-step explanation:
If the class started at 11:30 A.M. and ended at 12:25 P.M., how long did the class last? 55 minutes
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x = 12 , y = 18 (12, 18) is the solution, intersection of the two lines.
A. 136 sq. units is the answer. This answer was achieved by simply plugging the numbers into the area formula for rectangles. 8 x 17 = 136
It is option D because we can’t divide by zero and x - 2 = 0 when x = 2
