Tentukan nilai x dari a.) 4 - 3 = 10 - x b.) 2 (x + 1) + 3 = 20 - x c.) 3 (x - 2) + 5 = x - 7 d.) 2 (x - 3) + 7 = 3 (x + 4) - 9 Tolong bantu jawab yaa:)
Matematika
nurseptianifazri
Pertanyaan
Tentukan nilai x dari
a.) 4 - 3 = 10 - x
b.) 2 (x + 1) + 3 = 20 - x
c.) 3 (x - 2) + 5 = x - 7
d.) 2 (x - 3) + 7 = 3 (x + 4) - 9
Tolong bantu jawab yaa:)
a.) 4 - 3 = 10 - x
b.) 2 (x + 1) + 3 = 20 - x
c.) 3 (x - 2) + 5 = x - 7
d.) 2 (x - 3) + 7 = 3 (x + 4) - 9
Tolong bantu jawab yaa:)
1 Jawaban
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1. Jawaban May7502
a. x = 10 - (4-3)
x = 10 - 1
x = 9
b. 2x + 2 +3 = 20 - x
2x + x = 20 - (2+3)
3x = 20-5
x = 15/3 = 5
c. 3x - 6 + 5 = x - 7
3x - 11 = x - 7
3x - x = 11 + 7
2x = 18, maka x = 18/2 x = 9
d. 2x - 6 + 7 = 3x + 12 - 9
2x - 13 = 3x + 3
2x - 3x = 16
x = - 16