Sam decided to lose weight and went on a diet. The figure below depicts a graph, showing how his weight changed during the year.
Using this graph, answer the following questions:
What was Sam’s weight at the beginning of the year?
What was Sam’s weight at the beginning of the year?
2 answers:
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Answer:
C
Step-by-step explanation:
Add 10x to both sides:
-10x - 135 = 117 + 2x
-10x - 135 + 10x = 117 + 2x + 10x
-135 = 117 + 12x
Subtract 117 from both sides:
-135 - 117 = 117 + 12x - 117
-252 = 12x
Divide both sides by 12:
-21 = x
So the answer is C.
Hope this helps!