Question

0.2(2x-1)-0.5(3x-1)=0.4 is​

Answer 1

Answer:

0.2(2x-1) - 0.5(3x-1) = 0.4, or

(2x-1)/5 - (3x-1)/2 = 4/10, or

2(2x-1) - 5(3x-1) = 4, or

4x - 2 - 15x + 5 = 4, or

-11x = 4+2–5 = 1, or

x = -(1/11).

Check: (2x-1)/5 - (3x-1)/2 = 4/10

LHS = (-2/11 -1)/5 - (-3/11 - 1)/2

= (-13/11)/5 - (-14/11)/2

= -13/55 +7/11

= -13/55 + 35/55

= 22/55 = 2/5 = 0.4. Correct.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

0.2(2x-1)-0.5(3x-1)=0.4

0.4x-0.2-1.5x+0.5=0.4

-1.1x+0.3=0.4

-1.1x=0.1

x=0.1/-1.1

x=-0.09