First, solve for x. Isolate the x. Do the opposite of PEMDAS.
2x + 4 = 8
Note the equal sign. What you do to one side, you do to the other.
subtract 4 from both sides
2x + 4 (-4) = 8 (-4)
2x = 8 - 4
2x = 4
divide 2 from both sides
2x/2 = 4/2
x = 4/2
x = 2
you know you're starting number now: 2
"then add it to two": 2 + 2 = 4
"then add it to ten": 4 + 10 = 14
"then subtract three": 14 - 3 = 11
"then add ten": 11 + 10 = 21
21 is your final answer
hope this helps
The domain of a relation is all the x - values the relation can take, so:
domain = {-8, -6, 5}
The range, in addition, is all the y - values the relation can take, so:
range = {-3, -1, 0, 5}
the question says that the total price equalled of the antiques is 70. It also says that she bought a table, which was 44, and 2 chairs (x). We can form this equation.
44 + 2x = 70. <------the 2x comes from 2 times the cost of one chair (x) and the . 44 comes from the cost of the table. The total is 70 dollars.
2x = 26 <-------solve algebraicelyy(sry about by spelling)
x = 13 <-------this is the cost of only one chair.
Answer: $13
Equation a and equation c
The answer is Height=6ft because 7 x 4 x 2 = 56
4 x 6 x 2 = 48
7 x 6 x 2 = 84
and 56 + 48 + 84 = 188
