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3/10=b/7
We simplify the equation to the form, which is simple to understand
3/10=b/7
Simplifying:
+ 0.3=b/7
Simplifying:
+ 0.3=0.142857142857b
We move all terms containing b to the left and all other terms to the right.
-0.142857142857b=-0.3
We simplify left and right side of the equation.
-0.142857142857b=-0.3
We divide both sides of the equation by -00.142857142857 to get b.
b=2.1
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