Sagot :
Answer w/ explanation:
1. We'll use the x variable to represent the unknown number.
So, let "x" be equal to the unknown number.
Algrebraic equation: 2(x+2)=36
2. Unlike in problem no.1, this time around we'll be using both x and y to represent the two given variables in the statement: the score of the G6 team and the score of their opponents.
So, let "y" be equal to the score of the grade 6 volleyball team and "x" the score of their opponents.
Algebraic equation: y=2x+5
3. This one requires a combination of more than one algebraic equation, as it has three variables: Ivan's weight (x), Cael's weight (y), and Ethan's weight (z).
1st: Ivan's weight is four kilograms more than Ethan's weight.
x=z+4 or z=x-4
2nd: Cael's weight is five kilograms less than Ivan's weight.
y=x-5
3rd (Final): Write an algebraic equation to represent the weight of the three boys having an average weight of 45 kilograms.
Note: We converted the two variables, y and z, so that they'll fit into the algebraic equation.
Algebraic equation: X+(X-5)+(X-4)/3=45
[tex]\frac{x+(x-5)+(x-4)}{3} =45[/tex]
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