Answer:
8
Step-by-step explanation:
When there are 2 minuses, they convert into + so that the ewuation turns into:
x+15=23
Then you move the +15 after the = sign
Now that you changed the side, you have to change sign so :
x= 23-15
x=8
2x³+5x²+7x+5
(x² + 4x² + x³ + x) + (x³ + x + 5x + 5)
(5x²+x³+x)+(x³+6x+5)
20
17-10=27-7=
Give me a heart and 5 stars
3750
each number is being multiplied by five
6*5=30
30*5=150
150*5=750
750*5= 3750
