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S
implify and solve these equations
a + a + a = 9
a =
9y  2y = 14
y =
5a + 3a + 2a = 20
a =
2x  x = 10
x =
4b  b = 3
b =
5c  2c + 3c = 18
c =
3x + 2x  x = 4
x =
5z  2z = 24
z =
3a + a +7 1 = 14
a =
4x + 9 2x  2 = 15
x =
y + 6 + 2y = 15
y =
9 + x  4 = 11
x =
3y + 6y  7y +2 = 8
y =
8s + 7s  9 9s = 3
s =
a + 4 +2a = 13
a =
5 + x + 6 =13
x =
Check
OK
E
quations

Part 2