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y - 4 = 9
y - 4 + 4 = 9 + 4
y = 13
x=y4 /2
9 x 27 equals 243
A + 9 = 21 A = 21 - 9 A = 12
y4
4a - 9 = 27 4a = 36 a = 9
x-7*y*4 >> solve it * is multiply-
k equals 5.6
.56x=9-.44x x=9
2,2,6,9
3
-9
x=7