06-11-2020
Mathematics

contestada

I have to solve for x

I have to solve for x class=

Respuesta :

edwaral edwaral

06-11-2020

Answer:

x = 12

Step-by-step explanation:

140 + x = 180

-140 -140

x = 40

A triangle sums up to 180 degrees so add all of the sides

40 + (3x + 4) + (8x + 4) = 180

Add all like terms

48 + 11x = 180

-48 -48

11x = 132

Divide

x = 12

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