Question

if a + b=7,what is (10a+b)+(10b+a)?​

Answer 1

if a + b = 7

then

(10a+b)+(10b+a)

10 × 7 + 10 ×7 = 140 (a+b=7)

Answer 2

Answer:

Your answer is here

Step-by-step explanation:

Given,

a+b = 7

now,

[10(a+b)] + [10(b+a)]

[10(7)] + [10(a+b)]

[70] + [10(7)]

70 + 70

140

Answer = 140.