Question

(A) 4x+45=2x+51


B) 2x-3=2x+9


C) 6x-5=3x+10


D) 5x+10=2x+4


E) -2x-10= -4x+10


2) Calcule


A) _2_+ _3_

3. 4


B) _5_ - _3_
6. 8

Answer 1

a)4x+45=2x+51

4x -2x= 51-45

2x= 6

x=6/2

x=3

6x-5=3x+10

6x-3x= 10+5

3x = 15

x= 15/3

x= 5