Jawaban:
no 1.
4 + 2x = 10
2x = 10-4
2x = 6
x = 6/2
x = 3
no 2.
6a - 9 = 3a - 3
6a - 3a = 9 - 3
3a = 6
a = 6/3
a = 2
no 3.
5(x-6) = 2(x-3)
5x - 30 = 2x - 6
5x - 2x = 30 - 6
3x = 24
x = 24/3
x = 8
no 4.
a.) x + 3 = 8 + 3 = 11
b.) x + 2 = 8 + 2 = 10
no 5.
Mencari nilai a :
a + 5 = 11
a = 11 - 5
a = 6
maka nilai a + 33 :
6 + 33 = 39
no 6.
3(y + 2) + 5 = 2(y + 15)
3y + 6 + 5 = 2y + 30
3y + 11 = 2y + 30
3y - 2y = 30 - 11
y = 19
y - 2 = 19 - 2 = 17
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Jawaban:
no 1.
4 + 2x = 10
2x = 10-4
2x = 6
x = 6/2
x = 3
no 2.
6a - 9 = 3a - 3
6a - 3a = 9 - 3
3a = 6
a = 6/3
a = 2
no 3.
5(x-6) = 2(x-3)
5x - 30 = 2x - 6
5x - 2x = 30 - 6
3x = 24
x = 24/3
x = 8
no 4.
a.) x + 3 = 8 + 3 = 11
b.) x + 2 = 8 + 2 = 10
no 5.
Mencari nilai a :
a + 5 = 11
a = 11 - 5
a = 6
maka nilai a + 33 :
6 + 33 = 39
no 6.
3(y + 2) + 5 = 2(y + 15)
3y + 6 + 5 = 2y + 30
3y + 11 = 2y + 30
3y - 2y = 30 - 11
y = 19
y - 2 = 19 - 2 = 17