Given the equation 4x + 7 = 3(2x − 5), solve for the variable. Explain each step and justify your process.
1 answer:
Sam's solution is incorrect. the correct answer is x=3
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Answer:
7/2
Step-by-step explanation:
The slope of the line is given by
m = (y2-y1)/(x2-x1)
= (-1-6)/(9-11)
= -7/ -2
= 7/2

x = 18 1/3

x - 20 + 2x = 35
- 20 + 3x = 35
3x = 35 + 20
3x = 55
x = 55/3
x = 18 1/3
Answer:
= 330/1 ÷ 3/4
= (330 × 4) / (3 × 1)
= 1320/3
= 440/1
<span>= 440
Hope this helps! </span>
We are talking about a right triangle so the phytagoras equation can be used:



So the hypothinus is equal to approximately 8.49