Let
x------> height of Leon's older brother
y------> height of Leon
Convert mixed number to an improper fraction
we know that
-----> equation A
-----> equation B
substitute equation A in equation B
Convert to mixed number
therefore
<u>the answer is</u>
10x-61/12 is the difference of (7x-) - (-3x +
).
An expression is combination of variables, numbers and operators.
The given expression is (7x-) - (-3x +
)
7x-+3x-
7x-20/3+3x-19/4
Add the variable terms and constant terms.
10x-20/3-19/4
The LCM of 3 and 4 is 12/
10x-4-57/12
10x-61/12
Hence, 10x-61/12 is the difference of (7x-) - (-3x +
).
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