Respuesta :
Answer: a = 19
Step-by-step explanation:
Given
7 (8 + a) = 189
Divide 7 on both sides
7 (8 + a) / 7 = 189 / 7
8 + a = 27
Subtract 8 on both sides
8 + a - 8 = 27 - 8
a = 19
Hope this helps!! :)
Please let me know if you have any questions
Well, we can use the distributive property:
56 + 7a = 189
7a = 133
a = 19
56 + 7a = 189
7a = 133
a = 19