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14x - 15x = 7 + 10
-x = 17
x = -17
2. 4(x+6) = 3(x+2)
4x + 24 = 3x + 6
4x - 3x = 6 - 24
x = -18
3. 3(2x+7) = 5(x-4)
6x + 21 = 5x - 20
6x - 5x = -20-21
x = -41
4. 2(5y-6) = 3(3y-7)
10y - 12 = 9y - 21
10y - 9y = -21 + 12
y = -9
5. 8(3/4y + 3/4) = 5(y + 4/5)
6y + 6 = 5y + 4
6y - 5y = 4 - 6
y = -2
6. 6 (1/2y - 5/6) = 8 (1/4y + 1/2)
3y - 5 = 2y + 4
3y - 2y = 4 + 5
y = 9
14x - 15x = 10 + 7
-x = 17
x = -17
2. 4(x + 6) = 3(x + 2)
4x + 24 = 3x + 6
4x - 3x = 6 - 24
x = -18
3. 3(2x + 7) = 5(x - 4)
6x + 21 = 5x - 20
6x - 5x = -20 - 21
x = -41
4. 2(5y - 6) = 3(3y - 7)
10y - 12 = 9y - 21
10y - 9y = -21 + 12
y = -9
5. 8(3/4 y + 3/4) = 5( y + 4/5)
6y + 6 = 5y + 4
6y - 5y = 4 - 6
y = -2
6. 6 (1/2 y - 5/6) = 8(1/4 y + 1/2)
3y - 5 = 2y + 4
3y - 2y = 4 + 5
y = 9
semoga membantu ya :)