Any line can be graphed using two points. Select two x x values, and plug them into the equation to find the corresponding y y values.

5x+y=15 Geometric figure: Straight Line Slope = -10.000/2.000 = -5.000 x-intercept = 15/5 = 3 y-intercept = 15/1 = 15.00000 Rearrange: Rearrange the equation by subtracting what is to ...

Algebra Calculator shows you the step-by-step solutions! Solves algebra problems and walks you through them.

Free math problem solver answers your algebra homework questions with step-by-step explanations.

2022年3月7日 · When there is one linear and one quadratic equation, it usually works well to solve by substitution. Here, we can use the second equation to substitute for y in the first equation: The solutions to the system of equations are (−5,20 and (4,11, derived using substitution and factoring of a quadratic equation.

Solve an equation, inequality or a system.

Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step

Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

To solve a system of equations by elimination, write the system of equations in standard form: ax + by = c, and multiply one or both of the equations by a constant so that the coefficients of one of the variables are opposite. Then, add or subtract the …