0.4x+-7=-0.4x+9

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Solution for 0.4x+-7=-0.4x+9 equation:



0.4x+-7=-0.4x+9
We move all terms to the left:
0.4x+-7-(-0.4x+9)=0
We add all the numbers together, and all the variables
0.4x-(-0.4x+9)=0
We get rid of parentheses
0.4x+0.4x-9=0
We add all the numbers together, and all the variables
0.8x-9=0
We move all terms containing x to the left, all other terms to the right
0.8x=9
x=9/0.8
x=11+0.2/0.8

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