平衡天平,解开方程!
x + 6 = 10,x = ____
x − 5 = 3,x = ____
3x = 15,x = ____
x ÷ 4 = 6,x = ____
2x + 3 = 11,x = ____
3x − 5 = 10,x = ____
x + 2.5 = 8,x = ____
5(x − 2) = 15,x = ____
4x + 8 = 28,x = ____
2x + 5 = x + 12,x = ____
x ÷ 3 + 2 = 6,x = ____
小明有x个苹果,给了弟弟8个后还剩12个,x = ____