Find the value of 3x+2 when 7+x=5
7 + x = 5
x =5 - 7
x = -2
3x + 2 =
3(-2) + 2 =
-6 + 2 = - 4
\(7+x=5\)
\(x=-2\)
\(The \ value \ of \ \ \ {\color{blue}3x+2= 3\times(-2)+2}\ \ ist \ {\color{blue}-4}.\)
