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4-10+2x=x-4x+4
-6+2x=-3x+4
5x=10/:5
x=2
c) 7 - (3x + 4) = (x + 1) - (2x + 4)
7-3x-4=x+1-2x-4
3-3x=-x-3
-2x=-6/:-2
x=3
d) x + 3 - (4 - x) = 3x - (2x - 3)
x+3 -4 +x =3x-2x+3
2x-1=x+3
x=4
4 - 2 (5 - x) = x - 4 (x - 1)
4-10+2x=x-4x+4
2x-x+4x=4-4+10
5x=10
x=2
c)
7 - (3x + 4) = (x + 1) - (2x + 4)
7-3x-4=x+1-2x-4
-3x+2x-x=-4+1-7+4
-2x=-6
x=3
d)
x + 3 - (4 - x) = 3x - (2x - 3)
x+3-4+x=3x-2x+3
x+x-3x+2x=3-3+4
x=4
4-10+2x=x-4x+4
2x-6=-3x+4
5x=10
x=2
c)7 - (3x + 4) = (x + 1) - (2x + 4)
7-3x-4=x+1-2x-4
3-3x=-x-3
2x=6
x=3
d)x + 3 - (4 - x) = 3x - (2x - 3)
x+3-4+x=3x-2x+3
2x-1=x+3
x=4