Answer:
it's either a or b
Step-by-step explanation:
sorry sorry thats all I know
Answer:
The commutative property
Step-by-step explanation:
The commutative property of addition states that a+b=b+a ( i.e you can move things around without changing the sum)
example:
3x-y=3x+(-y)=(-y)+3=-y+3x
The answer is: 18° .
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Explanation:
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x + 4x = 90 ; solve for "x"
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5x = 90 ;
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Divide EACH SIDE of the equation by "5"; to isolate "x" on one side of the equation; and to solve for "x" ;
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5x / 5 = 90 / 5 ;
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x = 18 ; The answer is: 18° .
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Sammy sold 140 water bottles, David sold 60 water bottles.
Step-by-step explanation:
in equation 1
y=4x+12
so now
eqs 2
2y=4+3x
then
-y=x+8
y= -x-8
so
-x-8=4x+12
-20=5x
-4=x
so
y= 4-8
y=-4
