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Solve the equation: $$(x-1)+(x+2)=3$$
\(x=-1\)
\(x=1\)
\(x=2\)
\(x=-2\)
Explanation
Reveal brackets and reduce similar terms: $$2x+1=3$$ Add \(-1\) to both sides of the equation: $$2x+1-1=3-1$$ $$2x=2$$ Divide both sides of the equation by \(2\): $$x=1$$
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