Y = x + 4
y = -x - 6
x + 4 = -x - 6
x + x = -6 - 4
2x = -10
x = -10/2
x = -5
y = x + 4
y = -5 + 4
y = -1
one solution : (-5,-1)
Well you multiply the outside with the inside———- for instance
-4 • -4 = 16^3
-4• -4 = 16
-4 • 3 = -12v^3
So 16^3 + 16 - 12v^3 do the powers & your done
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The number of gallons of the 35% acid solution eli should add is; 0.125 gallons
<h3>How to Simplify Basic Algebra?</h3>
From the given table, since Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution, then we can say that;
(0.10)(0.5) + 0.35g = 0.15(g + 0.5)
where g is number of gallons
Now, for us to determine how many gallons of the 35% acid solution eli should add, we will solve the word problem earlier to get;
(0.10)(0.5) + 0.35g = 0.15(g + 0.5)
⇒ 0.05 + 0.35g = 0.15g + 0.075
⇒ 0.35g - 0.15g = 0.075 - 0.005
⇒ 0.2g = 0.025
g = 0.025/0.2
g = 0.125 g
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