I also need help with this, what is 300=4z-111+3z-12? (Can you please explain how you got it so I can understand?) I will be giv
ing 58 points to the person who answers correctly.
2 answers:
Well put it in correct order : <span>4z-111+3z-12=300.
</span><span><span><span><span><span>4z</span>−111</span>+<span>3z</span></span>−12</span>=300</span>
<span><span><span><span><span>4z</span>−111</span>+<span>3z</span></span>−12</span>=300</span>
<span><span><span>7z</span>−123</span>=300</span>
<span><span><span><span>7z</span>−123</span>+123</span>=<span>300+123</span></span><span><span>
7z</span>=423</span>
<span><span><span>7z</span>7</span>=<span>423/7</span></span><span>
z=<span>423/7</span></span>
Your answer is z=423/7.
Hoped I helped!
To solve <span>300=4z-111+3z-12, we first have to combine like terms. As so:
</span><span>300 = 4z -111 + 3z - 12
300 = 7z - 111 - 12
300 = 7z - 123
Next, we can simplify this even further to get z by itself on one side of the equation:
</span><span>
Let's add 123 to each side:
300 = 7z - 123
300 + 123 = 7z - 123 + 123
423 = 7z
Now, all we have to do is divide 7 to each side, resulting with only z on the right side of the equation:
423 / 7 = 7z / 7
423 / 7 = z
60.42857143 = z<em> (Jeez... long decimal.)
</em>
Hope I could help! Have a good one!
If I am wrong, please let me know!
</span>
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