Question

me ajuda por favor é para amanhãm

2x=14
4x=-12
7=-21
13x=13
9x=-9
25x=0

Answer 1

a)7
b)-3
c)-3
d)1
e)-1
f)0

Answer 2

2x = 14
x = 14/2
x = 7

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4x = - 12
x = - 12/4
x = - 3

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7x = - 21
x = - 21/7
x = - 3

**********************

13x = 13
x = 13/13
x = 1

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9x = - 9
x = - 9/9
x = - 1

***********************

25x = 0
x = 0/25
x = 0

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