Expressões Algébricas
3 . (y + 3) + 5y = 25
2 . (x + 3) = 12
4 . (x + 2) = 10
6 . (x + 4) = 8
10. (x + 2) + 3x = 25
8 . (x + 1) + 2x = 14
12. (x + 2) + 4x = 36
2 . (y + 6) + 2y = 8
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3 . (y + 3) + 5y = 25
3y + 9 + 5y = 25
8y + 9 = 25
8y = 25 - 9
8y = 16
y = 2
2 . (x + 3) = 12
X = 12 - 3
X = 9
4 . (x + 2) = 10
X = 10 - 2
X=8
6 . (x + 4) = 8
4 = 8 - 4
X = 4
10. (x + 2) + 3x = 25
10X + 20 + 3X = 25
13X + 20 = 25
13X = 25 - 20
13X = 25 - 20
13X = 5
X = 5/13
8 . (x + 1) + 2x = 14
8X + 8 + 2X = 14
10X + 8 = 14
10X = 14 - 8
10X = 6
X = 3/5
12. (x + 2) + 4x = 36
12X +24 + 4X = 36
16X + 24 = 36
16X = 32 - 24
16X = 12
X = 3/4
2 . (y + 6) + 2y = 8
2y + 12 + 2y = 8
4y + 12 = 8
4y = 8 - 12
4y = -4
y = -1
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