Question

solve the following equations and verify
their solutions
a) 11x-7=202
b) 3y+5=71
c)13x-6=137
d) x÷2-5=7
e)12÷n=2



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Answer 1

Answer:

a)11x=202+7=11x=209=x=209/11=19

b)3y=71-5=3y=66=y=66/3=22 c)13x=137+6=13x=143=x=143/13=11 d)x÷3=7=x=7×3=x=21 e)n=2×12=n=24

Answer 2

Answer:

a. x=19

b. y=22

c. x=11

d. x=24

e. n=6