Solve the following equations
1. 2(– 2x + 4) – 3(2x – 3) + 6 = – 4(–4 – 3x) + 6x
2. – 4(– 3x – 3) – 2(3x
– 4) + 7 = 3( –3 – 2x) + 7x
3. –2(3x – 4x) – 4(3x
– 4) = 10x – 2
4. 4(–2x + 7) + 3(–2 – 3x) = 10x – 7
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