Can pls someone help me? and show how it did it?

Question

asked Mar 14, 2023 137k views

1 Answer

WPhil · Answer 1 · 2023-03-20T17:11:12+0000

Answer:

$x\geq -3$

Explanation:

We can start by combining like terms:

$(3x-7x)+(-5+2)\leq 9\\-4x-3\leq 9$

We want to isolate x, so we must add 3 and divide by -4:

$(-4x-3\leq 9)+3\\(-4x\leq 12)/-4\\\\x\geq -3$

Because we had to divide by -4, the inequality sign had to flip.