Satu dua aja please.

1. a. 15+x=18
x= 18-15
x=3
b. 11+x =15
x= 15-11
x=4
2. a. x-14=8
x= 8+14
x=22
b. x-8=17
x=17+8
x=25
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semoga bermanfaat

no1 .a.15+3=18
no1.b.11+4=15
no2.a.22-14=8
no2.b.25-8=17