Jawaban:
PLSV
nomor (1)
3(4x+6) = 2(3x-6)+18
12x+18 = 6x-12+18
12x+18 = 6x+6
12x-6x = 6-18
6x =-12
x = -2 → nilai x = y = -2
maka: y + 5 = -2 +5 = 3
nomor (2)
7y -11 = 31 --> 7y = 31+11 ---> 7y = 42 --> y = 6
nomor (3)
2q - 5= 27+8q
2q -8q = 27+5
-6q = 32
q = -32/6 = -16/3
nomor (4)
2(3x-1) =5x
6x-2 = 5x
6x-5x = 2
x =2
nomor (5)
4x+6= 2(x-9)
4x+6= 2x-18
4x-2x= -18-6
2x= -24
x = -12
maka: x +5= -12+5= –7
1. y merupakan penyelesaian dari 3(4x + 6) = 2(3x - 6) + 18, maka x = y
3(4y + 6) = 2(3y - 6) + 18
12y + 18 = 6y - 12 + 18
12y - 6y = 18 - 18 - 12
6y = -12
y = -12/6
y = -2
y + 5 = -2 + 5
y + 5 = 3
2. Agar kalimat 7y - 11 = 31 bernilai benar, cari nilai y
7y - 11 = 31
7y = 31 + 11
7y = 42
y = 42/7
y = 6
3. Penyelesaian persamaan 2q - 5 = 27 + 8q
2q - 5 = 27 + 8q
2q - 8q = 27 + 5
q = -32/6
q = -16/3
4. Penyelesaian dari 2(3x - 1) = 5x
2(3x - 1) = 5x
6x - 2 = 5x
6x - 5x = 2
x = 2
5. Diketahui persamaan 4x + 6 = 2(x - 9). Nilai x + 5 = ?
4x + 6 = 2(x - 9)
4x + 6 = 2x - 18
4x - 2x = -18 - 6
2x = -24
x = -24/2
x + 5 = -12 + 5
x + 5 = -7
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Verified answer
Jawaban:
PLSV
nomor (1)
3(4x+6) = 2(3x-6)+18
12x+18 = 6x-12+18
12x+18 = 6x+6
12x-6x = 6-18
6x =-12
x = -2 → nilai x = y = -2
maka: y + 5 = -2 +5 = 3
nomor (2)
7y -11 = 31 --> 7y = 31+11 ---> 7y = 42 --> y = 6
nomor (3)
2q - 5= 27+8q
2q -8q = 27+5
-6q = 32
q = -32/6 = -16/3
nomor (4)
2(3x-1) =5x
6x-2 = 5x
6x-5x = 2
x =2
nomor (5)
4x+6= 2(x-9)
4x+6= 2x-18
4x-2x= -18-6
2x= -24
x = -12
maka: x +5= -12+5= –7
1. y merupakan penyelesaian dari 3(4x + 6) = 2(3x - 6) + 18, maka x = y
3(4y + 6) = 2(3y - 6) + 18
12y + 18 = 6y - 12 + 18
12y - 6y = 18 - 18 - 12
6y = -12
y = -12/6
y = -2
y + 5 = -2 + 5
y + 5 = 3
2. Agar kalimat 7y - 11 = 31 bernilai benar, cari nilai y
7y - 11 = 31
7y = 31 + 11
7y = 42
y = 42/7
y = 6
3. Penyelesaian persamaan 2q - 5 = 27 + 8q
2q - 5 = 27 + 8q
2q - 8q = 27 + 5
-6q = 32
q = -32/6
q = -16/3
4. Penyelesaian dari 2(3x - 1) = 5x
2(3x - 1) = 5x
6x - 2 = 5x
6x - 5x = 2
x = 2
5. Diketahui persamaan 4x + 6 = 2(x - 9). Nilai x + 5 = ?
4x + 6 = 2(x - 9)
4x + 6 = 2x - 18
4x - 2x = -18 - 6
2x = -24
x = -24/2
x = -12
x + 5 = -12 + 5
x + 5 = -7