Soal 1. (1)
2x-3=7
2x=7+3
2x=10
(2) x+2=10-x
x+x=10-2
2x=8
Soal 2
3x=6
x=3+5
2x-x = -1+3
yang penyelesaian 2= (a, d). penyelesaian -2=(c)
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Soal 1. (1)
2x-3=7
2x=7+3
2x=10
x=5✔️
(2) x+2=10-x
x+x=10-2
2x=8
x=4✔️
Soal 2
a. 3x+2=8
3x=6
x=2 ✔️
b. x-5=3
x=3+5
x=8 ❌ bukan 2 atau -2
c. -2x=4
x=-2✔️
d. 2x-3 = x-1
2x-x = -1+3
x=2,✔️
yang penyelesaian 2= (a, d). penyelesaian -2=(c)