Answer:
28 - m = 3
28 - 3 = m
25 = m
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7.90×7=55.30. 6.80×1=6.80. 55.30 + 6.80=62.10 Total
Answer:
13/8 45/3/8 7 7/8
Step-by-step explanation:
Answer:
(x,y)=(-10, -30)
Step-by-step explanation:
x/4 -y/12 = 0
--> x/4 = y/12
substitute into the first eq.
x/4 + y/12 = -5
y/12 + y/12 = -5
2y/12 = -5
y= (-5) * 12/2 = -30
solve for x, x/4 = (-30)/12
x=4* (-30)/12 = -10