Answer:
x=6
Explanation:
3(x-2)+7=19
distribute the 3 through the parentheses:
3x-6+7=19
Simplify:
3x+1=19
Move the constant (1) to the right-hand side and change its sign
3x=19-1
Subtract the numbers:
3x=18
Divide both sides by 3 to get x alone:
x=6