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Are you for real?! Just substitute it. 17 plus 23 is 40.
Can you help with this equation? Thanks. Solve for x and y and z for the following. x plus y plus z equals 9 x plus 2y plus 3z equals 23 x plus 5y plus -3z equals -7
-17-2x=6-x -23=x
4x + 17 = x + 2 4x - x = 2 - 17 3x = -15 x = -5
-25