Question

7-4х/15 меньше -3 решить неравенство

Answer 1

7-4х/15<-3|•15
105-4х<-45
-4х<-150
х>37,5

Answer 2

To solve the inequality 7 - 4x/15 < -3, we can follow these steps:

Step 1: Multiply both sides of the inequality by 15 to eliminate the fraction: 15 * (7 - 4x/15) < 15 * (-3) 105 - 4x < -45

Step 2: Simplify the inequality: 105 - 4x < -45 Subtract 105 from both sides: -4x < -45 - 105 -4x < -150

Step 3: Divide both sides of the inequality by -4. Since we are dividing by a negative number, we need to reverse the inequality sign: -4x/-4 > -150/-4 x > 37.5

Therefore, the solution to the inequality 7 - 4x/15 < -3 is x > 37.5.

Please let me know if you have any further questions!