What do we get when 45 is added to x where x is 67
Answers
Answer:
We get 112
Step-by-step explanation:
45+x= let us suppose it as z
here,given::
x is 67..
+45+(x=67). = 112
Hence solved,,
Step 1: Simplify each side, if needed.
This would involve things like removing ( ), removing fractions, adding like terms, etc.
To remove ( ): Just use the distributive property found in Tutorial 5: Properties of Real Numbers.
To remove fractions: Since fractions are another way to write division, and the inverse of divide is to multiply, you remove fractions by multiplying both sides by the LCD of all of your fractions.
Step 2: Use Add./Sub. Properties to move the variable term to one side and all other terms to the other side.
Step 3: Use Mult./Div. Properties to remove any values that are in front of the variable.
Step 4: Check your answer.
I find this is the quickest and easiest way to approach linear equations.
notebook Example 6: Solve for the variable. 10 - 3x = 7.
example 6
*Inverse of add. 10 is sub. 10
*Inverse of mult. by -3 is div. by -3
Be careful going from line 4 to line 5. Yes, there is a negative sign. But, the operation between the -3 and x is multiplication not subtraction. So if you were to add 3 to both sides you would have ended up with -3x + 3 instead of the desired x.
If you put 1 back in for x in the original problem you will see that 1 is the solution we are looking for.
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