Решить уравнение 14х+7=2(3х-5)-7 , 15х-27=5(х-1), 3х-8=2(1-х), 3(3х+7)=5х+5, 2(5х-10)=8х+5

Question

Решить уравнение 14х+7=2(3х-5)-7 , 15х-27=5(х-1), 3х-8=2(1-х), 3(3х+7)=5х+5, 2(5х-10)=8х+5

Comments

15×-27=5×-5

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10×=22

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×=22/10

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×=11/5

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10x-20=8x+5

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10x-8x=-20+5

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2x=-15 x=7.5

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3×-8=2-2×5×=10×=29×+21=5×+54×=-16×=-410×-20=8×+52×=25×=25/2

Answer 1

14×+7=6×-10-7
8×=-24
×=-24/8
×=-3