Question

determine x (me ajudem)
a) 2x-5=x+1
b) 2×+3=×+4
c) 5x+7=4×+16
d) 4×-10=2×+2
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Answer 1

a) 2x - 5 = x + 1

2x - x = 1 + 5

x = 6

b) 2x + 3 = x + 4

2x - x = 4 - 3

x = 1

c) 5x + 7 = 4x + 16

5x - 4x = 16 - 7

x = 9

d) 4x - 10 = 2x + 2

4x - 2x = 2 + 10

2x = 12

x = 12 / 2

x = 6