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Sagot :
first we have to eliminate the parenthesis, by multiplying 2 with both numbers
3a+8a-2=9
11a-2=9 we will add 2 on both sides
11a=11 divide by 11
a=1
3a+8a-2=9
11a-2=9 we will add 2 on both sides
11a=11 divide by 11
a=1
3a + 2(4a - 1) = 9.
Distributive property.
3a + 8a - 2 = 9
Combine like terms.
11a - 2 = 9
subtract +2 on both sides.
11a - 2 = 9
+2 +2
__________________
11a = 11
/11 /11
a = 1.
Distributive property.
3a + 8a - 2 = 9
Combine like terms.
11a - 2 = 9
subtract +2 on both sides.
11a - 2 = 9
+2 +2
__________________
11a = 11
/11 /11
a = 1.
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