-106
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140 - z = 246
Subtract 140 from both sides: -z = 246 - 140 = 106
Multiply both sides by -1: z = -106
z-3.6=46.8 add 3.6 to both sides z=50.4
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
You cannot solve one equation in three unknowns. You need three independent equations.
If: 3z = 0.45 Then: z = 0.15 by dividing both sides by 3
y=84-72=12 z=84-52=32 x=84-12-32=40