Question 1019941
how to write out as an algebraic expression?

the angles in a triangle, if one angle is three times the other.
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angle:: x
2nd angle:: 3x
3rd angle:: 180-(x+3x) = 180-4x
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the amounts of antifreeze and water in four gallons of antifreeze water solution
water:: x gallons
antifreeze:: 4-x gallons

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Cheers,
Stan H.
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