ect the best answer for the question. 3. Rewrite the equation x + y + 3 = –2x + 4y + 18 into standard form (ax + by = c). A. 3x
–3y = 5 B. x – y = 5 C. x – y = 15 D. x + y = 5
1 answer:
Answer:
B
Step-by-step explanation:
To rewrite the equation x + y + 3 = -2x + 4y + 18, first combine like terms.
x + y + 3 = -2x + 4y + 18
3x - 3y + 3 = 18
3x - 3y = 15
This is the standard form.
It can also be simplified by dividing each term by 3 to x - y = 5.
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B, because to substitute for a variable you have to have an equation to substitute first.
The answer is c I hope it helps
Answer:
I'm probably to late but i took the test and the answer is B.
domain: x > –6; range: all real numbers.
Hope This Helped!
