15(2х+11)=285 помогите

Question

15(2х+11)=285 помогите

Answer 1

15(2х+11) = 258
30х+165 = 258
30х = 258-165
30х = 93
х = 93 / 30
х = 3.1

Answer 2

15(2х+11)=285
2х+11=285:15
2х+11=19
2х=19-11
2х=8
х=8:2
х=4

Comments

x=4

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15(2х+11)=285

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странное решение