A)
5X-4=2+20
5X-4=22
5X=22+4
5X=26
X=26\5
B)
4X-10=3X+15
4X-3X=15+10
X=25
C)
6X+9=3X+30
6X-3X=30-9
3X=21
X=21/3
X=7
D)
9X-5=5X+31
9X-5X=31+5
4X=36
X=36/4
X=9
E)
10Y=3Y+28
10Y-3Y=28
7Y=28
Y=28/7
Y=4
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Verified answer
A)
5X-4=2+20
5X-4=22
5X=22+4
5X=26
X=26\5
B)
4X-10=3X+15
4X-3X=15+10
X=25
C)
6X+9=3X+30
6X-3X=30-9
3X=21
X=21/3
X=7
D)
9X-5=5X+31
9X-5X=31+5
4X=36
X=36/4
X=9
E)
10Y=3Y+28
10Y-3Y=28
7Y=28
Y=28/7
Y=4