Question

pelo amor de Deus me ajuda ​

Answer 1

Boa tarde

Em todas as questões a letra, tem que ser substituída por um valor numérico dado logo a seguir:

$1) 2.x+3.x\\2.(3)+3.(3)\\6+9\\15$

$2) 4.x+2.x\\4(4)+2.(4)\\16+8\\24$

$3) 6.x +2\\6.(5)+2\\30+2\\32$

$4) 8.x+2\\8.5+2\\40+2\\42$

$5) 4.x+2.y\\4.(2)+2.(1)\\8+2\\10$

$6) 10.x+2.y\\10.(1)+2.(5)\\10+10\\20$

$7) 4.a+3.b\\4.(3)+3.(1)\\12+3\\15$

$8) 5.a+2.b\\5.(3)+2.(1)\\15+2\\17$

$9) 7.a+2.b\\7.(3)+2.(1)\\21+2\\23$

$10) 5.a^2+2a\\5.(3)^2+2.(3)\\5.9+6\\45+6\\51$

Answer 2

Resposta:

1. 2x + 3x.

2.3 +3.3

6 + 9 = 15

2. 4x + 2x

4.4 +2.4

16 + 8 =24

3. 6x + 2

6.5 + 2

30+2=32