What is the solution set of the equation 2z+6z+2=3−1z

Note: z≠0,−2

z = 1/9

Step-by-step explanation:

2z + 6z + 2 = 3 - 1z

2z + 6z + 1z = 3 - 2 (on rearranging)

9z = 1 (on solving)

z = 1/9

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The answer is C. Each triangle is equal to 180 degrees. 54+58 is equal to 112 which leaves 68 left to make up for the absent amount. The numbers are the same for both A and B.