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2z=1.3+1.5
We simplify the equation to the form, which is simple to understand
2z=1.3+1.5
We move all terms containing z to the left and all other terms to the right.
+2z=+1.3+1.5
We simplify left and right side of the equation.
+2z=+2.8
We divide both sides of the equation by 2 to get z.
z=1.4
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