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02-02-2018
Mathematics

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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.

Respuesta :

anchitthawi anchitthawi

03-02-2018

1. (5+23)+65 = (5+65)+23 = 70+23 = 93 (D)
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

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