Write an addition expression using negative integers to show the number of red apples the store sold
1 answer:
Solution:
we are given that a grocery Sells green apples and red apples.
On Monday the store put 500 of each kind of apple on display that day store sold 42 red apples and 57 green apples. so the rest is
On Tuesday they sold 87 red and 75 grees so the rest is
On wednsday they sold 29 red and 38 greens so the rest is
(a) So the number of red apples sold
(b)So the number of green apples sold
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Step-by-step explanation:
To solve a system of equations, we can add the two equations and solve for one of the remaining variables -- let's try to eliminate the variable when we add the two equations together.
Right now, there's a term in the first equation, and a
term in the second equation, so if we add those together, we'll be able to eliminate the
variable altogether and solve for
.
However, when we also have a term in the first equation and
term in the second equation, so adding these together will also eliminate the
term, leaving a
on the left-hand side of the equation.
If we add the two numbers on the right side of the equation, we get , which does not equal
, meaning there are no solutions to this system of equations.