4x+7=25-5x
(subtract 4x from each side to isolate the variables)
7=25-x
(add 25 to each side to get the numbers on the opposite side or the variable)
32=-x
(divide or multiply both sides by -1 to make the x positive)
x=-32
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4x-5=7 4x=12 x=3
x = 37 4x - 7 = 141 4x - 7 + 7 = 141 + 7 4x = 148 x = 37
4x+7-8x=17-4x+7=17-4x=10x = -5/2
-3
10x-7=4x+5 +7 +7 10x=4x+12 -4x -4x 6x=12 /6 /6 x=2