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Verified answer
MAPEL = MATEMATIKAKELAS = 7
BAB = SPLSV
a.
7x - 19 = 2
7x = 2 + 19
7x = 21
x = 21/7
x = 3
b.
½x = 5
x = 5 × 2/1
x = 10
d.
5 + 3x = 7
3x = 7 - 5
3x = 2
x = 2/3
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