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alyssamonae
06.10.2020 •
Mathematics
-(-10x-8)=-(4x+10)
A)-4
B)-2
C)-3
D)3
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Ответ:
Step-by-step explanation:
-(-10x - 8) = -(4x + 10)
10x + 8 = -4x - 10
-8 -8
10x = -4x - 18
+4x +4x
14x = -18
÷14 ÷14
x = -¹⁸/₁₄ = -⁹/₇ = -1²/₇
I think you meant -(10x-8)=-(4x+10)
Then:
-(10x - 8) = -(4x + 10)
-10x + 8 = -4x - 10
-8 -8
-10x = -4x - 18
+4x +4x
-6x = -18
÷(-6) ÷(-6)
x = 3 D)Ответ:
If 2 magazines cost $12.00. And both magazine's cost was a multiple of $3.00.
$3 x $4 = $12.00
$4 x $3 = $12.00
Hope I was able to help you. :-)