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absoul1143
05.10.2020 •
Mathematics
Work out 6d + 8 = 14 + 3d
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Ответ:
In 6d + 8 = 14 + 3d , D=2
Isolate the variable by dividing each side by factors that don't contain the variable.
Ответ:
Their is the system of linear equations
and
.
The solution of the given system of equation is 8. The correct answer is option D.
Given equations:
Let
Look for terms that can be eliminated. The equations do not have any x or y terms with the same coefficients.
Multiply the equation (i) by 12 so they do have the same coefficient.
Adding equation (ii) and equation (iii)
------------------------
Substitute x = -3 into one of the original equations to find y.
Therefore, the answer is the option D
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