System Inequalities
1. We are given the system of inequalities:
$$3(2x-5) > 4x+7$$
$$5x - 2(3-x) \leq 12$$
2. Solve the first inequality:
$$3(2x - 5) > 4x + 7$$
Distribute 3:
$$6x - 15 > 4x + 7$$
Subtract $4x$ from both sides:
$$6x - 4x - 15 > 7$$
Simplify:
$$2x - 15 > 7$$
Add 15 to both sides:
$$2x > 22$$
Divide both sides by 2:
$$x > 11$$
3. Solve the second inequality:
$$5x - 2(3 - x) \leq 12$$
Distribute $-2$:
$$5x - 6 + 2x \leq 12$$
Combine like terms:
$$7x - 6 \leq 12$$
Add 6 to both sides:
$$7x \leq 18$$
Divide both sides by 7:
$$x \leq \frac{18}{7}$$
4. Combine the results:
The solution to the system is values of $x$ that satisfy both inequalities:
$$x > 11$$ and $$x \leq \frac{18}{7}$$
Since $$11 > \frac{18}{7} \approx 2.57$$, there is no overlap in solutions.
5. Therefore, the system has no solution where both inequalities are true simultaneously.