-4*(3-5x)=18x-7
-12+20x=18x-7
20x-18x=12-7
2x=5
x=2,5
Ответ. х=2,5
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-4*(3-5x)=18x-7
-12+20x=18x-7
20x-18x=12-7
2x=5
x=2,5
Ответ. х=2,5
Verified answer
-12+20х=18х-72х=5
х=2,5