y = mx + b
m: slope
b: y-intercept
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3x + 9y = 18
-3x -3x
9y = -3x + 18
/9 /9
y = -3/9x + 2 OR y = -1/3 + 2
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m = -3/9 OR -1/3
b = 2
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Answer: Ola
Step-by-step explanation:
= 18 1/5 + 22 2/5 + 40 1/5
answer is D. last one
4(2x + 3) = 2(3x - 4)
8x + 12 = 6x - 8
8x - 6x = -8 - 12
2x = - 20
x = -20/2
x = -10......if u get a variable equal to a number, then there is 1 solution
if u would have ended up with 0 = 0 or 5 = 5...or something that is equal, then there would be infinite solutions.
if u would have ended up with 2 = 3, or 5 = 7...or something unequal, then there would have been no solution.