×+2/×-2=5 dan 3×+8/2×-3=4
Matematika
mikymiky
Pertanyaan
×+2/×-2=5 dan 3×+8/2×-3=4
1 Jawaban
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1. Jawaban fachrynaufal29
x+2=5(x-2)
x+2=5x-10
x-5x=-10-2
-4x=-12
x=-12/-4 = 3
3x+8=4(2x-3)
3x+8=8x-12
3x-8x=-12-8
-5x=-20
x=-20/-5
x=4