x = 8
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4x - 7 = 5 + 7x x = -4
7x + 5y 7(3) + 5(2) 21 + 10 = 31
7x-1=2x+5 7x-2x=5+1 5x=6 x=6/5=1.2
If x=2, then 7x = 14 and if y=5 then 4y=20.
7x + 10 = -7x - 60 Add 7x to both sides: 14x + 10 = -60 Subtract 10 from both sides: 14x = -70 Divide both sides by 14: x = -5