Question

how to solve this questions​

Answer 1

Step-by-step explanation:

1) 2x+3= 13

2x=13-3

2x= 10

so, x=5

2) 1/2+3x=10

3x= 10-1/2

3x= 19/2

so, x= 19/6

3) 4x+5=17

4x= 17-5

4x=12

so, x=3

4) 7x=49

so, x=49/7

x=7

5) 5x=225

x=225/5

so, x=45

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