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Iteru [2.4K]
3 years ago
13

Find value of variable

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0
<span>Step 1: Identify the variables.
Step 2: Add/Subtract whole numbers so they're all on one side.
Step 3: Add/Subtract Variables so they're all on one side.
Step 4: Multiply /Divide to get the variable by itself.
<span>Step 5: Check your work.</span></span>
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Answer:

  • System is given below

Step-by-step explanation:

  • Let (applicable to all three lines below)
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<u>Required equations:</u>

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=========================================

<u><em>Note</em></u><em>. It says don't solve but the solution below for those who is interested to know the answer.</em>

<u>Simplify the second equation and solve by substitution x = 50 - y:</u>

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