Answer :
Final answer:
To represent the equation 210 and 215 algebraically, we can use an equal sign (=). Let's use x as the variable to represent the unknown number. The equation can be written as: 210 = 215 - x. We subtract x from 215 because the phrase 'and' usually represents subtraction in an equation. To solve for x, we can subtract 210 from both sides of the equation. Once we simplify, we get: 0 = 5 - x. Since the term 'x' is preceded by a negative sign, we can rearrange the equation to isolate 'x'. This gives us: x = 5. Therefore, the value of 'x' that satisfies the equation is 5.
Explanation:
To represent the equation 210 and 215 algebraically, we can use an equal sign (=). Let's use x as the variable to represent the unknown number. The equation can be written as:
210 = 215 - x
We subtract x from 215 because the phrase 'and' usually represents subtraction in an equation. To solve for x, we can subtract 210 from both sides of the equation:
210 - 210 = (215 - x) - 210
Once we simplify, we get:
0 = 5 - x
Since the term 'x' is preceded by a negative sign, we can rearrange the equation to isolate 'x'. This gives us:
x = 5
Therefore, the value of 'x' that satisfies the equation is 5.
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