estellebesong estellebesong

23-09-2014
Mathematics

Answered

How do I solve the equation 1/7(x+21)=-6

Answer :

mariamikayla mariamikayla

23-09-2014

[tex]\frac{1}{7}(x+21)=-6 \\\\\frac{x+21}{7}=-6 \\\\ x+21=(-6)*7 \\\\ x+21=-42 \\\\ x=-42-21 \\\\ \boxed{x=-63}[/tex]

Answer Link

23-09-2014

There are several ways to do it.
Here is one way:

1/7 (x + 21) = -6

Multiply each side by 7 : x + 21 = -42

Subtract 21 from each side : x = -63

Answer Link

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