7x+3=10x-9(shift +3 & 10x)
7x-10x=-9-3(signs changed)
-3x=-12(divide both sides by -3)
x=4
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7.5
10x + 5 which is also equal to 5(2x + 1)
x=(-9/7) 7x+12=3 7x=(-9) x=(-9/7)
7x-2
hujkImproved anwser:2x+6 = 7x-42x-7x = -4-6-5x = -10x = 2