a) 2x+10 = 30
2x = 30-10
2x = 20
x = 20/2
x = 10
b) 2x+20 = x+30
2x-x = 30-20
23/04/22
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a) 10
b) 10
a) 2x+10 = 30
2x = 30-10
2x = 20
x = 20/2
x = 10
b) 2x+20 = x+30
2x-x = 30-20
x = 10
✨✨ Prontinho ✨✨
23/04/22