Simplify the expression: 3x + 7y - 5x + 9x - y
2 answers:
Answer:
B. 7x + 6y
Step-by-step explanation:
3x + 7y -5x +9x -y
= (3x - 5x +9x) + (7y - y)
= 7x + 6y
Step-by-step explanation:
10x+4y.............
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Step-by-step explanation:
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Answer:
C. x = 3
Step-by-step explanation:
Step 1:
- 6x + 19 = x - 2
Step 2:
- 7x + 19 = - 2
Step 3:
- 7x = - 21
Step 4:
21 = 7x
Answer:
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Hope This Helps :)
