Solve each equation. Check your solution. 10z = 40
1 answer:
Answer:
b. z = 4
Step-by-step explanation:
Multiply both sides of the equation by 1/10. This gives ...
(1/10)·10z = (1/10)·40
z = 4 simplified
_____
<em>Check</em>
Putting 4 where z is in the original equation should give us a true algebraic expresion. It does.
10·4 = 40 true
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