thesnackygrahap4etix
03.08.2019 •
Mathematics
Use mental math to simplify the expression. (5 + 23) + 65 -93 1 0 93 multiply. -(4x - 7) -4x - 7 28x -4x + 7 4x -7 multiply. 2(6x + 9) 30x 12x + 18 8x + 11 8x + 18 decide whether the given number is a solution to the given equation. is 9 a solution of 5(x - 3) = 35? yes or no.
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Ответ:
2. -(4x-7) = -4X+7 (C)
3. 2(6X+9) = 12X+18 (B)
4. 5(X-3) = 35
X-3 = 35/5
X-3 = 7
SO X= 7+3 = 10
THEN NO
9 IS NOT A SOLUTION
Ответ: