Answer:
3x-4y=8
-4y=8-3x (subtracting 3x from each side of the equation)
-4y/-4=(8-3x)/-4 (dividing each side of the equation by -4)
y=-2+3/4x
y=3/4x-2
Step-by-step explanation:
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1/2a - 7 + 1/2 a = 1/3
1/2a + 1/2a = 1/3 + 7
2/2a = 22/3
a = 22/3
Answer:
112
Step-by-step explanation:
12 square= 144
6 squared =36
144-36=112
9514 1404 393
Answer:
(a) x - y + 1 = 0
Step-by-step explanation:
One way to address multiple-choice questions is to try the answers to see what works.
For the lower left point (1, 2), the answer choices shown give ...
x -y +1 = 1 -2 +1 = 0 . . . . . equation works
-x -y +1 = -1 -2 +1 = -2 . . . doesn't work
y -x +1 = 2 -1 +1 = 2 . . . . . doesn't work
The appropriate choice is ...
x - y + 1 = 0
