Answer:
2(2y - 1) - y = 7
Step-by-step explanation:
I guess the 2 equations are
2x - y = 7
x = 2y - 1
substitution message that you use one equation to express one variable by the other, and then you use that in the other equation to get one equation for one variable. then you solve for that, and use that result in the first equation to since for the second variable.
the equations are already defined that way, that the second equation directly defines x as an excision of y.
so, this needs to be used then in the first equation.
and that makes
2(2y - 1) - y = 7
the correct first step.
Multiply All Of The Numbers Thats What I Think You Should Do!
By using this coupon he will save $2.50. You have to multiply 25 by 0.10.
The inequality that would represent the amount that could be spent on glue, p is:
p <$9
You will determine this by subtracting 23 and 14 to get $9. If this is $9, that means you will spend less that that, because you will spend more that the $14 on the other supplies.
