You have to set x to itself but there are 2 x so you have to set one to the other side, normally you will switch the smallest one in this case it is -13x so since its a negative lets add it t both sides(the only way to get rid of a negative is with a positive and what you do to one side you have to do it to the other) now you have -1x+7=13 you have to subtract the 7 to leave x by itself this gives you -1x=6, now finally divide by -1 in both sides(because the only way to get rid of a multiplication is with a dividion) this will result in x=-6
Hope this helps
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Answer:
43.75 dollars
Step-by-step explanation:
10 dollars by 17.5 hours equals 175 dollars.
1/4 of 175= 43.75 dollars
Check the solution of all options
First option
p + 2 1/2 = 5
p = 5 - 2 1/2
p = 5 - 5/2
p = 10/2 - 5/2
p = 5/2
p = 2 1/2
Second option
2 + p = 2 1/2
p = 2 1/2 - 2
p = 1/2
Third option
p - 2 1/2 = 5
p = 5 + 2 1/2
p = 7 1/2
Fourth option
4 - p = 2 1/2
-p = 2 1/2 - 4
-p = 5/2 - 4
-p = 5/2 - 8/2
-p = -3/2
p = 3/2
p = 1 1/2
The equation that has p = 2 1/2 as its solution is first option
The simplified version of <span>(5x^3+6x^2-10x-14)-(-14x^2+3x-8) is</span> 5x^3+20x^2-13x-6