Explanation:
2/2-10X-28=
2×2/2-2×10X-2×28=
2-20X-56=
6=6/6=1.
X-7=X-7
A. 2X+4=
2X/2+4/2=
x+2
B. 6=6/6=1.
C. 12X+24=
12X/12+24/12=
X+2.
6X=6X/6=X
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