Ok so your equation reads like this (I assume you forgot the +):
3 - 4x = 10x +10
The goal is to get the x's on one side and the other numbers on the other. It doesnt matter which side has which, so I will move the numbers to the right and the x's to the left. So first subtract 3 from both sides:
3 - 3 - 4x = 10x + 10 - 3
-4x = 10x + 7
Now subtract 10x from both sides.
-4x - 10x = 10x - 10x + 7
-14x = 7
Now that we have like terms on both sides, all you need to do is divide both sides by -14 to solve for x.
-14x / -14 = 7 / -14
x = -1 / 2
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x=-8
To solve the equation 10X = 2.7, you need to isolate the variable X. Start by dividing both sides of the equation by 10 to get X alone. This gives you X = 2.7/10, which simplifies to X = 0.27. Therefore, the solution to the equation 10X = 2.7 is X = 0.27.
-10x = -50 Divide both sides by -10 remembering that a minus divided by a minus the quotient then becomes positive: x = 5 So: -10*5 = -50
10x=80 divide each side by 10 to get x by itself 10/10x=1x 80/10=8 x=8
-8 + 10x = 18 10x = 18+8 10x = 26 x = 26/10 x = 2.6