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I'm working on solving linear equalities (with equations) and can anyone help with the below question. I know the answer is -16, but I can't figure out the steps that gets it to this.

4x-12≤6x+20

Once I've evened out the x's on both sides and got this to 2x, I'm then left with -12 and +20, which leaves +8, divided by the remaining 2x, which leaves 4. This isn't correct though, so could anyone help me with the different stages on this.

Thank you!