AFTER A LONG TIME...
HERE IS YOUR QUESTION.
2x+100y+7z=198.
....
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5x + 4 = 25 2x. 7x + 4 = 25. 7x = 21 x = 3. 19. 9x. (x + 12) = 13. 9x x. 12 = 13. 8x. 12 = 13. 8x = 1 x = 1__. 8. 20. 3(4x. 5) 1 = 20. 12x + 15 1 = ...
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i am week in maths sorry i have no answer
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