For the following problem, solve the inequality. $10 x - 12 - 7 x 21$
A) $( 12 , \infty )$
B) $( 11 , \infty )$
C) $( 10 , \infty )$
D) $( - 11 , \infty )$
E)none of these

Question

For the following problem, solve the inequality. $10 x - 12 - 7 x > 21$
A) $( 12 , \infty )$
B) $( 11 , \infty )$
C) $( 10 , \infty )$
D) $( - 11 , \infty )$
E)none of these

Quizplus · Accepted Answer

Simplify the inequality by combining like terms: 
$3x -12 >21$ 
Add 12 to both sides: 
$3x>33$ 
Divide by 3: 
$x>11$ 
Therefore, the solution is $(11,\infty)$, which is choice B.

For the Following Problem, Solve the Inequality 10x−12−7x>2110 x - 12 - 7 x > 2110x−12−7x>21

For the Following Problem, Solve the Inequality $10 x - 12 - 7 x > 21$