28=z+z+2z

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Solution for 28=z+z+2z equation:


28=z+z+2z

We simplify the equation to the form, which is simple to understand 
28=z+z+2z

We move all terms containing z to the left and all other terms to the right. 
-1z-1z-2z=-28

We simplify left and right side of the equation. 
-4z=-28

We divide both sides of the equation by -4 to get z. 
z=7

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