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Social Science1.9(4-x)=1.7(2-x)9(n+7)=3(21+3n)2(x-8)+2x=4(x+6)-402y+3(y-4)=8y-5(y-10)6x-2(x-8)=4(x+1)+7
1.9(4-x)=1.7(2-x)
9(n+7)=3(21+3n)
2(x-8)+2x=4(x+6)-40
2y+3(y-4)=8y-5(y-10)
6x-2(x-8)=4(x+1)+7
Expert Answer
Here I see total 5 equations which are to be simplified. IAccording to our policies I can answer only 3 questions. So, I will be answering the first 3 questions. Using this solutions as reference, you can work on rest two or else you can come back again with new request.
Given equation in x to be simplified.
While simplifying a equation,if it has multiple operations then we use the PEDMAS method. It say that we should follow the order Parenthesis, Exponent, Multiplicaiton, Division, Addition, Subtraction while performing the operations.
Let us consider the first equation 1.9(4-x) = 1.7(2-x)
Here we have operations parenthesis and subtraction. we first simplify the euation and then we solve for it.
First we multiply 1.9 which is outside of parenthesis to the expression 4-x which is inside parenthesis and we multiply 1.7 which is outside of parenthesis to expression 2-x which is inside of parenthesis.
Now we get simplified equation in x. Now we have to solve for x, So we see operations around x and we perform opposite operations like if we have ...
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Algebra
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