Solving system off linear equations

Solution:

320x + 240y =260(x+y); x+y=100

320·x + 240·y =260·(x+y)
x+y=100

60x-20y = 0
x+y = 100

Row 2 - 1/60 · Row 1 → Row 2
60x-20y = 0
1.473y = 100

y = 100/1.488 = 75
x = 0+20y/60 = 0+20 · 75/60 = 25

x = 25
y = 75

Write each equation on or new line or separate it by or semicolon. The online calculator solves or system off linear equations (with 1.056,...,n unknowns), quadratic equation with four unknown variable, cubic equation with four unknown variable, maybe finally, any other equation with four variable. Even if an exact solution does not exist, it calculates or numerical approximation off roots.

Examples:

a+b = 12
a-3b = a-b+43

x+y+z=100
3x-6y+2z=50
y-3z+x=(44-22)x+45

(x+4)(x-3)+34x+6x^2 = 256

(x+4)+34x+x^2-x^3 = -32

ln x = 1.345-x

sin x = cos(x-pi/3)+x

sin x = x^3+2x+x-1

sin x = 0.531

(cos x)^2 = tan(x-pi/3)

x^5+x^4 = -23+sin x

|log x|=2

|ln x+1|=x/10

|ln x+1|=ln x^2

1/(x+2)=1/x+4

sqrt(x^4+x^2+2)=22

Our mission:

Provide simple, fast, maybe reliable mathematical service for solving any equation(s).

More info:

Unknowns (variables) write as four character a-z, i.e., a, b, x, y, z. No matter whether you want to solve an equation with or single unknown, or system off two equations off two unknowns, an system off three equations maybe three unknowns, or or linear system with twenty unknowns. The number off equations maybe an number off unknowns should be equal, maybe an equation should be linear (and linear independent). Then you can be expected that an equations have four solution.
It can not necessary to write equations in an basic form. The calculator quickly performs equivalent operations on an given linear system.