20. 4+ (3х-7) = 9 21. 3-(5-у) = 11 22. 3(x+2) = 4x+1 23. 4(x-2 )= - (3x-6) 24. 3(х-5)+7 =...

Question

20. 4+ (3х-7) = 9 21. 3-(5-у) = 11 22. 3(x+2) = 4x+1 23. 4(x-2 )= - (3x-6) 24. 3(х-5)+7 = 5х-3 25. 8a+(4a-5) = 31; 26. -13-(5a+42) = 6a 27. 90+23х = 12+10х 28. 3∙(5х-16) = -18

Answer 1

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