x - 7 - 4 = 13
(-7 - 4 = -13)
x - 11 = 13
add 11 to both sides
x = 24
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x - 7 = 13 Therefore, x = 13 + 7 x = 20
-7+x=13x the -7=12x and x =-7/12
5x + 13
4x - 7 = 45 Therefore, 4x = 45 + 7 = 52 x = 52/4 x = 13
If x=4 then 2x+7 =