Question

operaciones algebrahicas
1)5x-1=19

2)(2b-2)+2b=13
2

3)(a+2)+a=5
4 2

4)(8x+4)+(-5x+2)+(9x-3)=51
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Answer 1

Explicación paso a paso:

• 5x=19+1

5x=20

x=20/5

x=4

• (2b-2)+2b=13

b+2b=13

3b=13

b=13/3

• (a+2)+a=5

2a+a=5

3a=5

a=3/5

• (8x+4)+(-5x+2)+(9x-3)=51

8x+4-5x+2+9x-3=51

8x-5x+9x=51-4-2+3

12x=48

x=48/12

x=4