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4(5x + 3) - 2x + 7 = 10 - 9x + 2
Expand the brackets:
20x + 12 - 2x + 7 = 10 - 9x + 2
Simplify by collecting like terms:
18x + 19 = -9x + 12
Add 9x to both sides:
27x + 19 = 12
Subtract 19 from both sides:
27x = -7
Divide both sides by 27:
x = -7/27
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Answer:
x=7/9
Step-by-step explanation:
1. 20x+12-2x+7=10-9x+2
2. 18x+19=12-9x
3. 18x-9x=9x
4. 9x-9x=0x, which actually cancels out.
5. 9x+19=12
6. 19-19=cancels out
7. 12-19=-7
8. 9x=7
9. 9x/9=x
10. x=7/9
