Divide 28 by 4.
X = 7
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4x - 9 = 35 4x = 35 + 9 4x = 44 4x/4 = 44/4 x=11
16
3x = 7 - 4x 3x + 4x = 7 - 4x + 4x 7x = 7 7x/7 = 7/7 x = 1
If: 20x+5y = 15 Then: y = -4x+3
x 4HowThe starting equation is: 4x - 9 7To solve, first add 9 to both sides:4x 16Now, divide both sides by 4:x 4