Question

Vreau urgent 10ecuatii va rog dau coroana!

Answer 1

a)4x+5=17
b)2x+13=49
c)2x+5=7
d)25+12x=1021
e)3x+4=19
f)3x-21=45
g)5x-23=72
h)116-4x=80
i)320-7x=243
j)14x+28=588

Answer 2

x supra 2 + 1 supra 2 = 3 supra 2     x =? 
10x + 45 =45         x = ?
3x - 46 = 11    x= ?
35 + x = 45  x = ?
a + 5 = 43524  a = ?
a supra 4 + 3 supra 4 =7 supra 4 a = ?
(-2) + x = +4  x = ?
10 + (x-10)=100 x = ???
5 + b = 10  b = ?
a : 10 = 100       a = ?