<span>Ans : According to the Equation -
10.2638 + 0.0491x
= 10.2638 + 0.0491 X 748 ( Because x= 748, given )
= 10.2638 + 36.72
= 46.99
= 47 (Approximately)</span>
180 - 64 = 116
116 / 2 = 58 :)
Check: 58 + 58 + 64 = 180
x = 0.6x + 384
subtract .6x from each side
.4x = 384
divide both sides by .4
x = 960
So, you already know that you have to multiply the value of 7 by the variable and the number inside of the parentheses. So, 7 x A = 7A, and 7 times -6 equals -42. So, your answer would most likely be 7a - 42.