Simplify the expression. (8 + 7a) + 4 7a
For this one I'm going to assume that 4 7a means 4 7a...(8 + 7a) + 4 7a =8 + 7a + 28a =8 + 35aIf I read it wrong and 4 7a is actually 47a then...(8 + 7a) + 47a =8 + 54a = 2(4 + 27a)