789944
25.02.2021 •
Mathematics
Simplify each expression.
A) (5x + 6) - (7x - 1) =
B ) 2(3 - 5x) =
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Ответ:
1. -2x+7
2. 6-10x
Ответ:
Let x = number of gallons of the 35% acid solution Eli
should add. The equation would be
0.5 gal (0.1) + x gal (0.35) = (0.5 + x)(0.15)
This would be the equation to find the answer.
Solving for x,
X = 0.125 gallons