Question 395790
{{{-10(7r+4)+6(7r+8)}}} Start with the given expression.



{{{-10(7r)-10(4)+6(7r)+6(8)}}} Distribute.



{{{-70r-40+42r+48}}} Multiply.



{{{-28r+8}}} Combine like terms.



So {{{-10(7r+4)+6(7r+8)=-28r+8}}}



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