Answer:
The picture doesn't work but tell me in the comments what it is and i will gladly help you out. Please mark me the brainliest answer?
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Answer:
x = 6
Step-by-step explanation:
20 = 7x + 2 - 4x
7x + 2 - 4x = 20 (switch the sides)
7x - 4x + 2 = 20 (group the like terms together)
3x + 2 = 20 (add similar numbers, in this case it's the both x's)
-2 -2 (subtract 2 on both sides)
------------------
3x = 18
/3 /3 (divide both sides by 3)
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x = 6
Answer:
15
Step-by-step explanation:
2.25 times 20=45
45-30=15
