the answer is x is greater then -7
to find this add 4 to each side
then divide by -2.
since you divided both sides by a negative the symbol flips and you get x is greater then -7
A unicycle has 1 wheel. u unicycles have u wheels.
A bicycle has 2 wheels. b bicycles have 2b wheels.
In u unicycles and b bicycles, there are a total of
u + 2b wheels.
We are told there are 28 wheels, so u + 2b must equal 28.
The answer is choice C. u + 2b = 28
$45.50 ÷ 26% = $175
Total sales for the day is $175.
$89$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Since there are three variables and three constants you add like terms.
3(x+15) = 3x + 40