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Solve a-2b+c=-6, a+5c=-12, -a+6b+4c=3 by Substitution (Minute Math) View |
Solve 3a-3b+4c=-23, a+2b-3c=25, 4a-b+c=25 by Elimination (Minute Math) View |
Solve -5r+5s+3t=-23, -5r+3s-3t=-11, -6r+6t=-12 by Substitution (Minute Math) View |
Substitution | Algebra (Dube Maths) View |
Solve 3x-3y=-6, z=-3x-3y+9, -4x+5y+z=8 by Substitution (Minute Math) View |
Find a^2 + b^2 + c^2 = IF a^2 + 2b = 7 , b^2 + 4c = -7 u0026 c^2 + 6a = -14 | Nice Exponent Problem (Rashi Goel - A Certified Math Tutor) View |