30% is a way to express the fraction 30/100 = 3/10
So, 30% of 80 is
Answer:
Step-by-step explanation:
1. 7x + 4
2. 3x - 2
A) 5x-7y=58
B) y=-x+2 we rearrange B) into
B) x + y = 2 then we multiply B) by -5
B) -5x -5y = -10 adding this to A)
A) 5x -7y = 58 we get
-12y = 48
y = -4
B) x + y = 2
x = 2 +4
x = 6
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