QR.089 Solve for a Requested Expression
0%
Skill Level🔴 Hard
00:00
Progress to Next Level25% to Medium
EasyMediumHardMastery100%

If U = 2a - b + c = 7, V = a + 3b - 2c = 4, and W = -a + b + 3c = 9, what is the value of 5a + 4b - 6c?