17-2(х+3)+5(х-7)-3(2х+1)=30 Помогите решить срочно

Question

17-2(х+3)+5(х-7)-3(2х+1)=30
Помогите решить срочно

Answer 1

17-2(x+3)+5(x-7)-3(2x+1) = 30
17-2*x-2*3+5*x-5*7-3*2*x-3*1 = 30
-27 - 3*x = 30
-3*x = 57
 x = -19

Comments

17-2(x+3)+5(x-7)-3(2x+1) = 30
17-2*x-2*3+5*x-5*7-3*2*x-3*1 = 30
-27 - 3*x = 30
-3*x = 57
х=57:(-3)

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х=-19