STEM linear · quadratic · 2×2 system — step-by-step solutions
Supports: 2x+3=7, 3(x-1)=2x+4, x/2-5=1
Enter coefficients for ax² + bx + c = 0
Enter a 2×2 linear system: a₁x + b₁y = c₁ and a₂x + b₂y = c₂
Solve the system: 3x + 2y = 16 and x − y = 2. Use substitution or elimination — then verify with the solver!