How do you simplify #8(r+7t)-4(13t+5r)#?

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Answer 1 · 2017-02-03T16:25:48

See the entire simplification process below:

First, expand the terms within parenthesis:

#(8 xx r) + (8 xx 7t) - (4 xx 13t) - (4 xx 5r)#

#8r + 56t - 52t - 20r#

Next, group like terms:

#8r - 20r + 56t - 52t#

Now, combine like terms:

#(8 - 20)r + (56 - 52)t#

#-12r + 4t# or #4t - 12r#