0
3X - 4 = 66
add 4 to each side
3X - 4 + 4 = 66 + 4
3X = 70
divide each sides integers by 3
(3/3)X = 70/3
X = 70/3
------------------check in original equation
3(70/3) - 4 = 66
210/3 - 4 = 66
70 - 4 = 66
66 = 66
---------------checks ( naturally, you could have canceled here, 3(70/3) and just got 70 )
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Why is that 3x4 is not equals to 13?
Because 3 x 4 = 12
What is 68 percent of 66?
A percent is that number divided by 100, so 68% is 68/100"of" in mathematics means "multiplied"For example 3 groups of 4 is 3x4=12So in this case we have 68/100 x 66 which equals 44.88
What is 3 x 4 x 7 x 2 equals?
Just multiply across: 3x4=12 12x7=84 84x2=168
What is x if 11 plus x equals 77?
If 11 + X = 77, X = 66. What you have to do is 77 - 66, and that = 11!
If x equals 4 and y equals 8 then 3x plus 8y equals?
8x8 = 64 so it is 64 (the y) 3x4 = 12 so it is 12 (the x) 64+12 is 76.
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