3 years ago

What is x equal to? 3(x + 5) = 2(3x + 18)

2 answers:

7 0

3(x + 5) = 2(3x + 18)
Use the distributive property:
3(x)+5(3)=2(3x)+18(2)
Simplify:
3x+15=6x+36
6x+36=3x+15
3x+36=15
3x=-21
x=-7

Check answer:
3(-7+5)=2(-21+18)
3(-2)=2(-3)
-6=-6

Hope this helps :)

Alchen [17]3 years ago

3 0

3(x+5) = 2(3x + 18)

3(5x) = 2(21x)

15x = 42x

57x

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