Add the following algebraic terms 3x, -3x, 5y, 7y.
Last updated date: 18th Mar 2023
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Answer
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Hint: Addition in algebraic numbers is similar to the usual numbers.
Here we need to add 3x, -3x, 5y, 7y. We’ll add as follows:
$
3x + ( - 3x) + 5y + 7y \\
= 3x - 3x + (5 + 7)y \\
= (3 - 3)x + (12)y \\
= (0)x + 12y \\
= 0 + 12y \\
= 12y \\
$
Hence, 12y is the required solution.
Note: Addition, subtraction, multiplication of algebraic expressions is the same as usual numbers but we need to be careful with the divisions because we don’t want 0 in the denominator.
Here we need to add 3x, -3x, 5y, 7y. We’ll add as follows:
$
3x + ( - 3x) + 5y + 7y \\
= 3x - 3x + (5 + 7)y \\
= (3 - 3)x + (12)y \\
= (0)x + 12y \\
= 0 + 12y \\
= 12y \\
$
Hence, 12y is the required solution.
Note: Addition, subtraction, multiplication of algebraic expressions is the same as usual numbers but we need to be careful with the divisions because we don’t want 0 in the denominator.
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