3x+32=4x-15
3x-4x=-15-32
x=-47
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That sounds like: if you multiply it by 16, the result is the same as if you add 225 to it. You can write this as an equation - calling the number "x" - as follows: 16x = x + 225 Solve this equation, and you have your number.
How do you write half a number decreased by 8 is equal to the sum of the number and 14
r/2-8
you can write an equation: x-20=36 and move 20 to the 36 side and you do so by adding 20, so basically 20+36=56, x =5
write an expression for the phrase the proudut of there and a number decreased by twelve list the key words and wich opration they indicate.