B-(-7)= -1
First negative multiply by negative is POSITIVE.
So: B+7= -1
Subtract 7 from both sides
B= -7-1
B= -8.
Answer: -8.
To Check Answer: Plug in the variable of B in the original equation.
So: -8-(-7)= -1
-8+7= -1
-1= -1
If the Solution works out the answer is right.
the cost of one soccer ball is 150/6 or 25 dollars.
Full turn = 360 degrees
2/3 of a full turn.
So 1/3 of a turn is 120 degrees
Since it’s 2/3, you add another 120 to make 240
That's mean you gonna multiply
2*8 and 5*15
16/75
Hint: Multiply numerator by numerator and denominator by denominator .
I hope that's help.
54 is 75% of x.
75% of x:

75% of x is (3/4)x and 75% of x is 54. Set (3/4)x equal to 54:

54 is 75% of
72.