document.write( "Question 1050719: If -7 is added to a number and the sum is doubled, the result is 13 less than the number.
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Algebra.Com's Answer #666324 by addingup(3677)\"\" \"About 
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2(x-7) = x-13
\n" ); document.write( "2x-14 = x-13 subtract x and add 14 on both sides with us
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\n" ); document.write( "2(1-7) = 1-13
\n" ); document.write( "2(-6) = -12 correct
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