Solve it.....
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Answer:
x = 4
Step-by-step explanation:
- + =
=>21(3x - 2) - 30(x + 3) + 70(4x - 7) = 210(x - 1) [multiplying both sides by 210]
=> 63x - 42 - 30x - 90 + 280x - 490 = 210x - 210
=> 103x = 412
∴ x = 4
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