Answer:
w=7
Step-by-step explanation:
3w+4w=49
7w=49
w=49/7
w=7
Answer:
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Step-by-step explanation:
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Step-by-step explanation:


Increases proportionally. (C)
8x - 4y = -12
4y = 8x + 12
y = 8/4 x + 12/4
y = 2x + 3
When x = -3,
y = 2(-3) + 3 = -6 + 3 = -3
When x = -1,
y = 2(-1) + 3 = -2 + 3 = 1
When x = 1,
y = 2(1) + 3 = 2 + 3 = 5