Answer:
(0,8)
Step-by-step explanation:
Let X be 0 and solve for Y to get the intercept
y= - 4() + 12
y= - 4 * + 12
y= - 4 * 1 + 12
y= - 4 + 12
y=8
when x=0, y=8
(0,8) is y intercept
It is worked out that if 4 ladles full of soup are given to each person,
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Answer:
Step-by-step explanation:
We are given the equations:
Since we know what y is equal to, we can substitute that expression in for y in the first equation.
Distribute the 2. Multiply each term inside the parentheses by 2.
Combine the like terms (the terms with variables).
Since we are solving for x, we must isolate the variable. 38 is being subtracted and the inverse of subtraction is addition. Add 38 to both sides.
Now x is being multiplied by 9. The inverse of multiplication is division. Divide both sides by 5.
Now we know what x is equal to and can substitute the value into the second equation.
Multiply.
Subtract.
Coordinate points are written as (x,y). Therefore, the solution is (5, -4).