3 years ago

What is the solutionto the linear equation? d-10-2d+7=8+d-10-3d

Mathematics

1 answer:

Thepotemich [5.8K]3 years ago

3 0

Answer:

Step-by-step explanation:

$d-10-2d+7=8+d-10-3d\qquad\text{combine like terms}\\\\(d-2d)+(-10+7)=(d-3d)+(8-10)\\\\-d-3=-2d-2\qquad\text{add 3 to both sides}\\\\-d=-2d+1\qquad\text{add}\ 2d\ \text{to both sides}\\\\d=1$

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