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# Equation Calculator

## The equation calculator is designed to solve most types of equations and systems of equations, such as: linear, quadratic, cubic, equations of the fourth degree and more, etc. To solve an equation, enter an equation and specify a variable, for example: x, y, a, b.

 Solve Equation Equation system Equation Variable

Equation
Example
$x+3$ = $-7+\frac{3}{4}$
x+3=-7+(3/4)
$7-2.4\left(x+1\right)$ = $2-3x$
7-2.4*(x+1)=2-3*x
$x+\frac{5}{2}$ = $0$
x+5/2=0
$\frac{x}{2}-\frac{y}{3-x}$ = $0$
(x/2)-(y/(3-x))=0
$\sqrt{x-1}$ = $5$
sqrt(x-1) = 5
$\frac{a}{5}+\left(\frac{a-2}{2}\right)$ = $7$
(a/5)+((a-2)/2)=7
$3{x}^{2}-4x+7$ = $0$
3*x^2-4*x+7=0
$\frac{{x}^{2}-4}{x-2}$ = ${x}^{2}-4 · x+7$
(x^2-4)/(x-2)=x^2-4*x+7
$2 · {x}^{3}-\frac{3 · {x}^{2}}{2}+\frac{1}{2}$ = $0$
2*x^3-(3/2)*x^2+1/2=0
$\mathrm{sin}\left(x\right)$ = $-5+\mathrm{cos}\left(\pi \right)$
sin(x)=-5+cos(π)