7th grade math compare and solution methods for two step equation

1# D=$3 bag=popcorn=$40 total goal=$85
$85-40=45
so damari needs to earn $45 more
popcorn=3*1bag 45 divide by 3=15
2#
Nya= p=21+2w 24ft=p L=3ft
24=2(3)+2x simplfying=24=6+2x-6=18=2x 2+x=9ft
3#
S=concert tickets=$36 each-$19 discount 36x-19-19=53-19=36x-36=34 36x-38=34+38=36x divide by 36=72 divide by 36=2x=2 concert tickets= addition and division
4# b8+25=500-25*2=475 divide by 8=59 beads = subtraction and mulitplcation
5# w=21x=21x+42=126
21=w+5=42 =21x+42 cannot do 126 windows so 21x+42=126
these are my answers im sorry if the styem made you get it wrong i hope you pass school this year with all a'S

1) In the first problem, the solution method is to subtract the cost of popcorn from the total goal amount to find how much Damari needs to earn. Then, divide that amount by the cost of each bag of popcorn to determine how many bags he needs to sell.

2) In the second problem, the solution method is to substitute the given values into the equation and simplify to find the value of "x".

3) In the third problem, the solution method is to set up an equation using the given information and solve for "x" using addition and division.

4) In the fourth problem, the solution method is to set up an equation using the given information and solve for "b" using subtraction and multiplication.

5) In the fifth problem, it seems like there may be an error or missing information. The solution method would involve setting up an equation using the given information and solving for "x" using addition and possibly multiplication.