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9514 1404 393
Answer:
x = 1 or 5
Step-by-step explanation:
The notion of "cross-multiplying" is the idea that the numerator on the left is multiplied by the denominator on the right, and the numerator on the right is multiplied by the denominator on the left. This looks like ...
Then the solution proceeds by eliminating parentheses, and solving the resulting quadratic equation.
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<em>Comment on "cross multiply"</em>
Like a lot of instructions in Algebra courses, the idea of "cross multiply" describes <em>what the result looks like</em>. It doesn't adequately describe how you get there. The <em>one and only rule</em> in solving Algebra problems is "<em>whatever is done to one side of the equation must also be done to the other side of the equation</em>." If you multiply one side by one thing and the other side by a different thing, you are violating this rule.
What looks like "cross multiply" is really "<em>multiply by the product of the denominators</em> and cancel like terms from numerator and denominator." Here's what that looks like with the intermediate steps added.
The cost of the tour= £
.
The deposit is just an initial pay, which is a part payment of the total cost
If you pay a deposit of £78 out of £359, Then you need to subtract £78 from £359 to obtain,
pounds.
Therefore you need to pay £281 more.
The deposit is just an initial pay, which is a part payment of the total cost
If you pay a deposit of £78 out of £359, Then you need to subtract £78 from £359 to obtain,
Therefore you need to pay £281 more.