nelsoneligwe7
18.09.2019 •
Mathematics
Simplfy-2[9-(x+7)] answer this question
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Ответ:
2x-4
Step-by-step explanation:
Apply the distributive property.
−
2
(
9
−
x
−
1
⋅
7
)
Multiply
−
1
by
7
.
−
2
(
9
−
x
−
7
)
Simplify by multiplying through.
Subtract
7
from
9
.
−
2
(
−
x
+
2
)
Apply the distributive property.
−
2
(
−
x
)
−
2
⋅
2
Multiply
−
1
by
−
2
.
2
x
−
2
⋅
2
Multiply
−
2
by
2
.
2
x
−
4
Ответ:
a.) 10,000
b.) 512
Step-by-step explanation: