Home/Algebra/Equations/Linear equation7. EquationsLinear equationLevel: fundamentalIn 7. EquationsFormulaCopy LaTeXax+b=0⇒x=−ba (a≠0)ax+b=0\Rightarrow x=-\frac ba\;(a\ne0)ax+b=0⇒x=−ab(a=0)Tagsalgebraequationsalgebra formulaDetailSolution of a first-degree equation.Explore the ideaFound an error? Contact us.Related formulasRelatedLiney=mx+b;m=y2−y1x2−x1y=mx+b;\quad m=\frac{y_2-y_1}{x_2-x_1}y=mx+b;m=x2−x1y2−y1Open formulaOpen in section