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Do you really need a calculator to solve a linear equation? Let us see how to solve it without a calculator. Remove the parentheses fronm the second term on the left : y-3 Use the distributive property on the last term on the right side -2y-6 Take the term -3 to the right side, changing its sign in the process (becomes +3) Take the -2y term to the left making it +2y. 3y +2y=18+3-6 or 5y=15 and the answer is straightforward .
As to your Casio FX300ES, it cannot solve equations because it does not have an EQUATION calculation mode. The Casios FX-115ES and FX-991ES have an Equation Mode. If you use any of the two to solve an equation in one variable (linear, quadratic or other) the unknown is taken to be x by default. You would have to change the name of the variable from y to x.
Is this a maths school problem? You need to use algebra - 2x + 5y = 232 (heena has a number of 2 and 5 coins in her purse which add up to 232) x + y = 80 (heena has x number of 2 and y number of 5 coins which tally to 80) therefore, x = 80 - y so going back to first equation, 2(80 - y) + 5y = 232 160 - 2y + 5y = 232 3y = 72 y = 24 and going back to x, x = 80 - y x = 80 - 24 x = 56 so heena has 56 rs 2, and 24 rs 5. So the answer is 24.
If the question was like this: x+2y/9+5y then the order of operations would apply because it is a string of operations
But your question is the equivalent of a single fraction In this case, Take the numerator alone apply the order of operation Take the denominator and apply the order of operations Then it becomes a single fraction Hope this answer your question Have a good day luciana44
Hello, This calculator cannot handle symbolic algebra. Use the rules to simplify the expressions: Get rid of the parentheses using distributivity od multiplication with respect to addition; group similar terms (terms with x, terms without x). Hope it helps.
2y-x=5y squared -2y squared
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