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Mohammed Kramer
Mathematics
23 April, 12:38
What is the answer for 7x - (7+3x)
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Addisyn Pittman
23 April, 12:50
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4x - 7
Step-by-step explanation:
We can simplify this expression by subtracting the binomial (a bracket with two terms) and collecting like terms (numbers with the same variable).
When subtracting a binomial, are actually multiplying each term in the binomial by negative one.
7x - (7 + 3x)
= 7x - 1 (7 + 3x) Distribute - 1 to each of the numbers
= 7x + (7 * (-1) + 3x * (-1)) Multiply
= 7x + (-7 - 3x) Get rid of the brackets.
= 7x - 7 - 3x Combine like terms
= 4x - 7 Simplified expression
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