31=d-(-1.3)

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Solution for 31=d-(-1.3) equation:



31=d-(-1.3)
We move all terms to the left:
31-(d-(-1.3))=0
We calculate terms in parentheses: -(d-(-1.3)), so:
d-(-1.3)
We add all the numbers together, and all the variables
d+1.3
Back to the equation:
-(d+1.3)
We get rid of parentheses
-d-1.3+31=0
We add all the numbers together, and all the variables
-1d+29.7=0
We move all terms containing d to the left, all other terms to the right
-d=-29.7
d=-29.7/-1
d=29+0.7/1

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