13b !
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8b -2a
here is how you go about solving it first write down the question 3b+4+5b-1 then change arrangement so that it looks like this 3b+5b+4-1 then solve 8b+3
5b+6=32-8bSince -8b contains the variable to solve for, move it to the left-hand side of the equation by adding 8b to both sides.5b+6+8b=32Since 5b and 8b are like terms, add 8b to 5b to get 13b.13b+6=32Since 6 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 6 from both sides.13b=-6+32Add 32 to -6 to get 26.13b=26Divide each term in the equation by 13.(13b)/(13)=(26)/(13)Simplify the left-hand side of the equation by canceling the common terms.b=(26)/(13)Simplify the right-hand side of the equation by simplifying each term.b=2
5b + 5b = 2 x 5b
b^2 + 8b + 7 factors to (b + 7)(b + 1)