Tìm x biết: x+5x^2=0
x+1=(x+1)^2

The measure of the angles of triangle abc are given by the expressions in the table. angle-measure a-48 degrees b-(6x-28)degrees c- (2x) degrees find the value of x. then find the measures of angles b and c. enter your answers in the boxes. x= m m

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827