1. Solving One-Step Equations
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How can you isolate z on one side?
z=14.2
To solve the equation we have to isolate z on one side. By adding 5.3 to both sides, we can cancel out the -5.3 and isolate z.
LHS+5.3=RHS+5.3
Commutative Property of Addition
Add terms
Therefore, z=14.2 is the solution to the equation. To check that we have the correct solution, we can substitute z=14.2 into the original equation and simplify.
z= 14.2
Commutative Property of Addition
a+(- b)=a-b
Subtract terms
Since the left-hand side and right-hand side are equal, z=14.2 is the correct solution.