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9x + 9 = 135 9x = 126 x = 14
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
Are you for real?! Just substitute it. 17 plus 23 is 40.
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