Respuesta :
Answer:
(4x + 1) + (5x + 4) + E = 180.
Simplify: Combine the x values
4x + 5x = 9x.
Now add 4 + 1 = 5.
So far we have; 9x + 5 + E = 180.
180 - 5 = 175.
9x = 175
175/9 = 19.4 repeated. X = 19.4 repeated.
Substitute in the value we have so far.
(4 x 19.4 repeated + 1) + (5 X 19.4 repeated + 4) = 180
So, E must be 0 for this equation to work.
Step-by-step explanation:
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