3x+7=34 5z-2=3z-8 2y=y-2 2a-2=4a-10 1/4x-2=10
Matematika
ilhambudiman232
Pertanyaan
3x+7=34
5z-2=3z-8
2y=y-2
2a-2=4a-10
1/4x-2=10
5z-2=3z-8
2y=y-2
2a-2=4a-10
1/4x-2=10
1 Jawaban
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1. Jawaban Ashiela
3x + 7 = 34
3x = 34 - 7
3x = 27
x = 27/3 = 9
5z - 2 = 3z - 8
5z - 3z = -8 + 2
2z = -6
z = -6/2 = -3
2y = y - 2
2y - y = -2
y = -2
2a - 2 = 4a - 10
2a - 4a = -10 + 2
-2a = -8
a = -8/(-2) = 4
¼x - 2 = 10
¼x = 10 + 2
¼x = 12
x = 12×4 = 48