candancejc557
18.03.2021 •
Mathematics
Find an
expression which represents the sum of (8x - 7) and (10x + 3) in
simplest terms.
Solved
Show answers
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Ответ:
80x + 24x × 70x + 21 = 3.4 when approximated
Ответ:
AC = BD
2(x - 3) = x + 5 Remove the brackets.
2x - 6 = x + 5 Add 6 to both sides.
2x = x + 5 + 6
2x = x + 11 Subtract x from both sides.
2x - x = 11
x = 11
AC = 2 (11 - 3) = 2*(8) = 16 <<<< Answer
BD = x + 5 = 11 + 5 = 16 <<<< Answer