Question

(Equação 1º grau)

2x-7=9

. ( ) -8
. ( ) 8
. ( ) 10
. ( )-10

4x+3=11

.( )1
.( )2
.( )-3
.( )-4

X/3+3=18

.( ) -45
.( ) 45
.( )50
.( )-50


4.(x - 2) =15

.( ) -5
.( ) 6
.( ) 7
.( )-8​

Answer 1

Resposta:

Explicação passo a passo:

2x - 7 = 9

2x = 9 + 7

2x = 16

X = 16/2

X = 8

4x + 3 = 11

3x = 11 -3

3x = 9

X = 9/3

X = 3

X/3 + 3 = 18

X/3 = 18-3

X/3 = 15

X = 45

4(x - 2) = 15

4x -8 = 15

4x = 15 + 8

X = 23/4