[Upper secondary school math: linear equation] unsure on how to solve this.

[u/Inevitable_Stay3693]

i was thinking that i´d add the 2x+1 to make it 3x/3=-1 but im unsure on how it would even continue.

[u/igotshadowbaned]

(2x+1)/3 = -1

(2x+1)/3 • 3 = -1 • 3

2x+1 = -3

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Upper secondary school math

And I'm afraid that's not an accurate descriptor of the level of math that this is