3x+9 is the answer x is the quantity and its tripled and more than 9
Answer:
1476 boys
Step-by-step explanation:
We are going to use ratio here:
6/7=x/1,722
so then we simplify
(1,722*6)/7 =
1476 boys
Answer:
16/5 or 3 1/5 i think
Step-by-step explanation:
![\huge\boxed{x=-6}](https://tex.z-dn.net/?f=%5Chuge%5Cboxed%7Bx%3D-6%7D)
Hey there! Our goal here is to isolate the variable on one side of the equation.
![\begin{aligned}-7(x+6)&=4(x+6)&&\smash{\Big|}&&\textsf{Start with the original equation.}\\-7x+(-7)(6)&=4x+4(6)&&\smash{\Big|}&&\textsf{Distribute.}\\-7x-42&=4x+24&&\smash{\Big|}&&\textsf{Multiply.}\\-7x-4x&=24+42&&\smash{\Big|}&&\textsf{Move the terms.}\\-11x&=66&&\smash{\Big|}&&\textsf{Combine like terms.}\\x&=\boxed{-6}&&\smash{\Big|}&&\textsf{Divide both sides by $-11$.}\end{aligned}](https://tex.z-dn.net/?f=%5Cbegin%7Baligned%7D-7%28x%2B6%29%26%3D4%28x%2B6%29%26%26%5Csmash%7B%5CBig%7C%7D%26%26%5Ctextsf%7BStart%20with%20the%20original%20equation.%7D%5C%5C-7x%2B%28-7%29%286%29%26%3D4x%2B4%286%29%26%26%5Csmash%7B%5CBig%7C%7D%26%26%5Ctextsf%7BDistribute.%7D%5C%5C-7x-42%26%3D4x%2B24%26%26%5Csmash%7B%5CBig%7C%7D%26%26%5Ctextsf%7BMultiply.%7D%5C%5C-7x-4x%26%3D24%2B42%26%26%5Csmash%7B%5CBig%7C%7D%26%26%5Ctextsf%7BMove%20the%20terms.%7D%5C%5C-11x%26%3D66%26%26%5Csmash%7B%5CBig%7C%7D%26%26%5Ctextsf%7BCombine%20like%20terms.%7D%5C%5Cx%26%3D%5Cboxed%7B-6%7D%26%26%5Csmash%7B%5CBig%7C%7D%26%26%5Ctextsf%7BDivide%20both%20sides%20by%20%24-11%24.%7D%5Cend%7Baligned%7D)
Answer:
-8 just add them together