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How to do 17.4x-14.9x = 1.25 × 6 equation?
17.4x-14.9x=1.25×6
（17.4-14.9）x=7.5
2.5x=7.5
x=7.5÷2.5
x=3
The above is the process of solving the problem
Equation calculation: 4x + 9x = 1300, X is?
4x+9x=1300
13x=1300
x=100
Write the roots of the following equation. (1) the square of 9x = 1 (2) the square of 25X - 4 = 0 (3) the square of 4x = 2
1、x=±（1/3）
2、x=±（2/5）
3、x=±√（1/2）
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