Solve
7+x/3 = 2x-5
Give all working out
2 answers:
X = 36/5
Or x = 7.2
21 + x = 6x - 15
21 = 6x - 15 - x
21 = 5x - 15
21 + 15 = 5x
36 = 5x
36/5 = x
7+x/3 = 2x-5
multiply both sides by 3
21+x =6x-15
move the 6
21+x-6x = -15
move the 21
x-6x = -15-21
combine like terms
-5x = -15-21
divide both sides:
-5x = -36
answer: x = 36/5
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