watson08
watson08 watson08
  • 04-08-2018
  • Mathematics
contestada

PLS HELP BEING TIMED

X: 7(x-20)=x+4

PLS HELP BEING TIMED X 7x20x4 class=

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mtgrulesboi
mtgrulesboi mtgrulesboi
  • 04-08-2018

A.

7x-140=x+4

6x=144

x=24

Answer Link
PunIntended
PunIntended PunIntended
  • 04-08-2018

First, distribute the left side:

7 * (x - 20) = 7x - 140

The right side remains the same. Now, put it together:

7x - 140 = x + 4

Subtract x from both sides:

6x - 140 = 4

Add 140 to both sides:

6x = 144

Divide by 6:

x = 24, or choice (A).

Answer Link

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