Question

Reshite uravnenie (3x+45)*7-241=2993
18(2x-1)+36=324 obyasnite podrobno kak reshat, pojsluista

Answer 1

(3х+45)*7=2993+241
(3х+45)*7=3234
3х+45=3234:7
3х+45=462
3х=462-45
3х=417
х=417:3
х=139
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18(2x-1)=324-36
18(2x-1)=288
2х-1=288:18
2х-1=16
2х=16+1
2х=17
х=8,5  или 8 1/2