a.) 4(2x-3)-14=-6 b.) (5x+3)=(2x) c.) (x-3)=(3-2x)
Matematika
oksa11
Pertanyaan
a.) 4(2x-3)-14=-6
b.) (5x+3)=(2x)
c.) (x-3)=(3-2x)
b.) (5x+3)=(2x)
c.) (x-3)=(3-2x)
1 Jawaban
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1. Jawaban meisya134
a.) 4(2x-3)-14=-6
= 8x - 12 - 14 = -6
=8x = -6 +12 +14
=8x = 20
= x = 20/8
= x = 2,5
b.) (5x+3)=(2x)
= 5x + 3 = 2x
= 5x - 2x = -3
= 3x = -3
= x = -3/3
= x = -1
c.) (x-3)=(3-2x)
= x -3 = 3 - 2x
= x + 2x = 3+3
= -x = 6