Question

a , 8x + 2x = 25 . 2²

^{b , 5x + 2x = 35}

^{c , 5x + x = 150 : 2 + 3}

d , 6x + x = 5¹¹ : 5⁹ + 3¹

e , 5x + 3x = 3⁶ : 3³ . 4 + 12

Answer 1

a. 8x+2x =25. 2 mũ 2

8x+2x=100

(8+2)x=100

10x=100

x=100:10

x=10

b.5x+2x=35

(5+2)x=35

7x=35

x=35:7

x=5