.8z+15=7

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Solution for .8z+15=7 equation:


.8z+15=7

We simplify the equation to the form, which is simple to understand 
.8z+15=7

We move all terms containing z to the left and all other terms to the right. 
 + 0.8z=+7-15

We simplify left and right side of the equation. 
 + 0.8z=-8

We divide both sides of the equation by 0.8 to get z. 
z=-10

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