1.2(x+.9)+0.9x=0.3(x+1)+4.38

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Solution for 1.2(x+.9)+0.9x=0.3(x+1)+4.38 equation:



1.2(x+.9)+0.9x=0.3(x+1)+4.38
We move all terms to the left:
1.2(x+.9)+0.9x-(0.3(x+1)+4.38)=0
We add all the numbers together, and all the variables
1.2(x+0.9)+0.9x-(0.3(x+1)+4.38)=0
We add all the numbers together, and all the variables
0.9x+1.2(x+0.9)-(0.3(x+1)+4.38)=0
We multiply parentheses
0.9x+1.2x-(0.3(x+1)+4.38)+1.08=0
We calculate terms in parentheses: -(0.3(x+1)+4.38), so:
0.3(x+1)+4.38
We multiply parentheses
0.3x+0.3+4.38
We add all the numbers together, and all the variables
0.3x+4.68
Back to the equation:
-(0.3x+4.68)
We add all the numbers together, and all the variables
2.1x-(0.3x+4.68)+1.08=0
We get rid of parentheses
2.1x-0.3x-4.68+1.08=0
We add all the numbers together, and all the variables
1.8x-3.6=0
We move all terms containing x to the left, all other terms to the right
1.8x=3.6
x=3.6/1.8
x=2

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