salmaanawan3111 salmaanawan3111

04-01-2022
Mathematics

contestada

Expand & simplify
2
(
b
+
4
)
+
5
(
b
−
3
)

Respuesta :

lpieleanu2028 lpieleanu2028

04-01-2022

Answer:

7b - 7

Step-by-step explanation:

You can use distributive property which is x (a + b) = x*a + x*b and x (a - b) = x*a - x*b. Therefore, the expression is 2*b + 2*4 + 5*b - 5*3 which is:

2b + 8 + 5b - 15, which is, if you combine like terms:

7b - 7

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