Question

can someone help me please!!!!????
how would you write ' 12 less than a number times 2' into an algebraic translation?

Answer 1

do you know how to designate an unknown number in algebraic writing?

Answer 2

that's the first step to figuring it out.

Answer 3

yes, but in this case i also i have write a algebraic expression and im not sure what i would write about this one.

Answer 4

when we say "a number" we use a letter to represent an unknown number

usually x is the letter we use

x is just a placeholder. Think of it as a box where the number would go

Answer 5

"a number times 2"

means

x times 2 = x*2 = 2*x = 2x

Answer 6

with me so far?

Answer 7

yea, i mean i know all that but i just dont know what order to put the phrase in, that;s what i need help with

Answer 8

i mean in a expression

Answer 9

what does "less" mean in this context?

Answer 10

subtraction

Answer 11

that is correct, so when we say "12 less" we mean "subtract off 12"

Answer 12

so we have 2x and then we subtract off 12 to get 2x - 12

Answer 13

"12 less than a number times 2" translates to \(\Large 2x - 12\) where x is the unknown number

Answer 14

ty