Solve the equation for x.
12 − 5(x + 3) = 4x − 5

Question

Solve the equation for x.
12 − 5(x + 3) = 4x − 5

hyuna301 · Answer

12 - 5x - 15 = 4x - 5
12 - 15 + 5 = 4x + 5x
2 = 9x
x = 2/9

emmynimmy · Answer

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emmynimmy · Answer

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hyuna301 · Answer

we can also write it as
(4x - 9)/12 = (3x + 5)/12
4x - 9 = 3x + 5
x = 5 + 9
x = 14

emmynimmy · Answer

what about the second one? @Hyuna301

hyuna301 · Answer

[ x + 5 - 2( x - 1 ) ] /6 = 5
x + 5 - 2x + 2 = 30
-x + 7 = 30 
-x = 23
x = -23

emmynimmy · Answer

A wireless carrier offers the following plans that a person is considering.
The Family Plan: $100 monthly fee, unlimited talk and text on up to 5 lines, and data charges of $30 for each device for up to 2 GB of data per device. 

The Mobile Share Plan: $160 monthly fee for up to 10 devices, unlimited talk and text for all the lines, and data charges of $20 for each device up to a shared total of 10 GB of data.
Find the model of the total cost of the Family Plan in dollars. Use P for the number of devices that need data plans as part of their cost.

psycho45 · Answer

I keep getting 3.5 no matter what I did