145. u take 180 subtract 35. It will gives u 145
The sum of the left side of these two equations is equal to the same of the right side is these two equations
4x+8y + (-4x+2y) = 20 + 30
10y =50 ( x is eliminated)
y=5
Take this into the second equation
-4x +2y = 30
-4x + 2*5 = 30
x=-5
So x=-5
y=5
If you want to convert 0.57 into a fraction, you
can do it like this:
<span>
<span>0.57 equals to 57/100 </span></span><span>(you can't do anything else because 57 and 100 don't
have common factors).
</span><span><span /><span>The result is 57/100.</span>
</span>
Answer:
x
Step-by-step explanation:
