10(d)+5(120-d)=1000

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Solution for 10(d)+5(120-d)=1000 equation:


10(d)+5(120-d)=1000

We simplify the equation to the form, which is simple to understand
10(d)+5(120-d)=1000

Reorder the terms in parentheses
+(+10d)+5*(120-d)=1000

Remove unnecessary parentheses
+10d+5+*(+120-d+)=+1000

Reorder the terms in parentheses
+10d+(+600-5d)=1000

Remove unnecessary parentheses
+10d+600-5d=+1000

We move all terms containing d to the left and all other terms to the right.
+10d-5d=+1000-600

We simplify left and right side of the equation.
+5d=+400

We divide both sides of the equation by 5 to get d.
d=80

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