4. 8х + 5 = -4х - 19 5. 3(х + 6) = 2х + 15
8х + 4х = -19 - 5 3х + 18 = 2х + 15
12х = -24 3х - 2х = 15 - 18
х = -24 : 12 х = - 3
х = -2
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6. 3,5х - 14,7 = 3,3 - 2,5х
3,5х + 2,5х = 3,3 + 14,7
6х = 18
х = 18 : 6
х = 3
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4. 8х + 5 = -4х - 19 5. 3(х + 6) = 2х + 15
8х + 4х = -19 - 5 3х + 18 = 2х + 15
12х = -24 3х - 2х = 15 - 18
х = -24 : 12 х = - 3
х = -2
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6. 3,5х - 14,7 = 3,3 - 2,5х
3,5х + 2,5х = 3,3 + 14,7
6х = 18
х = 18 : 6
х = 3
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