1) 18х + 30у + 7х - 5у = 25х + 25у = 25*(х+у) = 25*3 = 75
2) 84а + 3b - 73a + 8b = 11a + 11b = 11*(a+b) = 11*7 = 77
3) 3m + 35n + 24m - 8n = 27m + 27n = 27*(m+n) = 27*4 = 108
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1) 18х + 30у + 7х - 5у = 25х + 25у = 25*(х+у) = 25*3 = 75
2) 84а + 3b - 73a + 8b = 11a + 11b = 11*(a+b) = 11*7 = 77
3) 3m + 35n + 24m - 8n = 27m + 27n = 27*(m+n) = 27*4 = 108