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Answer:
y= 9x-7
Step-by-step explanation:
Equation of a straight line:
y = mx + b ------(i)
Step by Step Solution:
Step 1:
y = 2, x = 1
By putting above values in equation (i)
2 = 9 (1) + b
2 = 9 + b
-7 = b
b = -7
y = 9x - 7