Sally buys a hand bag there was a dicount of 30 if sally paid 17.50 what was the original price.
1 answer:
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Answer:
Step-by-step explanation:
Y in math is usually referred as the output.
X is usually the input.
In other words,
<em>y</em><em> </em><em>is</em><em> </em><em>3</em><em> </em><em>more</em><em> </em><em>greater</em><em> </em><em>than</em><em> </em><em>x</em><em>.</em>
<em>In</em><em> </em><em>other</em><em> </em><em>words</em><em>,</em>
<em></em>
9514 1404 393
Explanation:
When something is subtracted from both sides of the equation, the justification is the <em>subtraction property of equality</em>. When something multiplies both sides of the equation, the justification is the <em>multiplication property of equality</em>. (This should not be a mystery.)
Here, the equation is solved by subtracting 17/3, then subtracting 1/2x, then multiplying by the inverse of the coefficient of x. After each of these steps is a simplification.