Move the -7 to the right, its sign will flip (do you know why?)
Negate both sides to change -x to x
-x = 16+7
-x = 23
x = -23
X=7
(15x+3)=108
x=7
if you plug 7 in for x
(15(7)+3) it equals 108
Answer:
3x-x+2=4 :)
Step-by-step explanation:
Hope this helped! :3
https://www.symbolab.com/solver/simplify-calculator/simplify%203%5Csqrt%7B7%7D%20-%205%5Csqrt%7B7%7D
thats the answer kid