Answer:
A=-8b/9
Step-by-step explanation:
Answer:
lesser: -1
Greater: 2
Step-by-step explanation:
We need to figure out what values of x make it equal to 0
because it's all being mulitplied we just need one parathenses to equal 0
so we can set them equal to 0
which means we have
x-2=0
3x+3=0
Solve for x and get
2
-1
Answer:
62 m
Step-by-step explanation:
let the height of tower=x
then 
Even then<span>, the resulting error coins will NOT be doubled </span>dies<span>. Only proof coins are struck </span>more than once<span> with the </span>number<span> of </span>times<span> that they are struck depending on the alloy of the planchets that will be struck into coins. </span>
25
Step-by-step explanation
Let the ones's digit =x.
So, sum of the digits =7
Tens's digit =7−x
Original no. =10(7−x)+x=70−10x+x=70−9x
Reversed no. =10x+7−x=9x+7
2(orig no) = reversed no. −2
2(70−9x)=9x+7−2
140−18x=9x+5
27x=135
x=5
Ten's digit =7−5=2
No. =25
