X=11, set 10x+5x+15=180
15x+15=180, subtract 15 from 180= 165, then divide 165 by 15
Its the same thing because your just switching the order which doesn't matter when your adding or multiplying
Answer:
34 because
Step-by-step explanation:
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Answer:
The answer is the second one
The 6 should be 30 in step two.
Step-by-step explanation:
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Answer:
°
Step-by-step explanation:
its a straight line so the total is 180, so we subtract from 180
180-156= 24