It is an equation in one variable, x.
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3/4x - 4 = 7 + 1/2x 3/4x = 11 + 2/4x 1/4x = 11 x = 44
If you would to solve for (l) then l = 4x/2 + 3/2 (4x + 3 is over 2).To solve for x. x = 2l/4 + 3/4 ( 2l + 3 is over 4)Hope this helps.
-4x-4 equals -16. Add 4 to both sides; -4x equals -12. Divide both sides by -4; x equals 3.
4x-3-8 = 8 4x = 8+8+3 4x = 19 x = 4 and 3/4
4x - 3 = 5 4x = 5 + 3 4x = 8 x = 8/4 x = 2