Question

Please solve this equation
-3(5-2z)=z+10

Answer 1

7z-5 there you go that should be answer

Answer 2

-15+6z = z + 10
-15 -10 = -6z + z
-25 = -5z
5 = z

z = 5
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(Let's now put z=5)
-3(5-10) = 5+10
-15+30 = 15
15 = 15
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Therefore, we now have double-checked that z=5