Matematika bantu bantu bantu bantu bantu bantu bantu bantu​

remingtonmedhurstulv – March 09, 2023

bantu bantu bantu bantu bantu bantu bantu bantu​

Jawaban:

A.2×+3=11

2×=8

×=8/2

×=4

B.7×=8+3×

7×-3×=8

4×=8

×=8/4

×=2

C.3p+5=17-p

3p+p=17-5

4p=12

p=12/4

p=3

D.7q=5q-12

7q-5q=-12

2q=-12

q=-6

E.-5y=9-4y

-5y+4y=9-6

-y=3

y=-3

F.7n+4=4n-17

7n-4n=-4-17

3n=-21

n=-7

G.2(5-2×)=3(5-×)

10-4×=15-3×

-4×+3×=15-10

-×=5

×=-5

H.-2×+5=-(×+9)

-2×+5=-×-9

-2×+×=-9-5

-×=-14

×=14

i.18+7×=2(3×-4)

18+7×=6×-8

7×-6×=8-18

×=-10

J.3(2×-3)-2(1×)-(×+3)=0

6×-9-2+2×-×-3=0

6×+2×-×-9-2-3=0

7×-14=0

7×=14

×=14/7

×=2

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