13+1.3+0.9x=15+0.8(316-x)

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Solution for 13+1.3+0.9x=15+0.8(316-x) equation: 



13+1.3+0.9x=15+0.8(316-x)

We move all terms to the left:

13+1.3+0.9x-(15+0.8(316-x))=0

We add all the numbers together, and all the variables

0.9x-(15+0.8(-1x+316))+13+1.3=0

We add all the numbers together, and all the variables

0.9x-(15+0.8(-1x+316))+14.3=0



We calculate terms in parentheses: -(15+0.8(-1x+316)), so:

15+0.8(-1x+316)

determiningTheFunctionDomain
0.8(-1x+316)+15

We multiply parentheses

-0.8x+252.8+15

We add all the numbers together, and all the variables

-0.8x+267.8

Back to the equation:

-(-0.8x+267.8)



We get rid of parentheses

0.9x+0.8x-267.8+14.3=0

We add all the numbers together, and all the variables

1.7x-253.5=0

We move all terms containing x to the left, all other terms to the right

1.7x=253.5

x=253.5/1.7

x=149+0.2/1.7

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