Question

porfabor ayudaaaaaaaaa​

Answer 1

Explicación paso a paso:

3x+5+2x=90

5x=90-5

5x=85

x=85/5

x=17

3x+5=3(17)+5=51+5=56

2x=2(17)=34

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6x+4x=180

10x=180

x=180/10

x=18

6x=6(18)=108

4x=4(18)=72