Question

11. The value of 3x - 4x + 7x-5 when x=3 is.........​

Answer 1

$\huge\mathbb{SOLUTION}$

Given

x = 3

3x - 4x + 7x - 5

3 ×3-4×3+7×3-5

9 - 12 + 21 -5

-3 + 16

13

★hope it helps you★

Answer 2

Answer:

3×3-4×3+7×3-5

9-12+21-5

-3+21-5

-8+21=13