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ella [17]
3 years ago
8

Simplify: 3ab-9ab+7ab Solve: A- 2(5x-3)=24 B- 5(2x+1)=50

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
4 0
<span>3ab-9ab+7ab = ab

</span><span>A-
2(5x-3)=24
10x - 6 = 24
10x = 30
x = 3

</span><span>B-
5(2x+1)=50
</span>10x + 5 = 50
10x = 45
    x = 4.5
Serjik [45]3 years ago
3 0
3ab - 9ab + 7ab
ab << the answer

2(5x - 3) = 24
10x - 6 = 24
10x = 24 + 6
10x = 30
x = 3  <<< the answer

5(2x + 1) = 50
10x + 5 = 50
10x = 50 - 5
10x = 45
x = 45/10
x = 9/2    << the answer

hope this helps, God bless!
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