Home > Algebra > Equations with Variables on Both Sides

How do you solve #2x+7= x-3#?

Answer 1

#x=-10#

[0]#2x+7=x-3# [1]#2xcolor(red)(-x)+7color(blue)(-7)=xcolor(red)(-x)-3color(blue)(-7)# [2]#x=-10# \o/ here's the answer !

By signing up, you agree to our Terms of Service and Privacy Policy

Answer 2

Hazel Anglin

To solve the equation 2x + 7 = x - 3, you first need to isolate the variable x on one side of the equation. Subtract x from both sides of the equation. This yields x + 7 = -3. Next, subtract 7 from both sides to isolate x. This gives x = -10. So, the solution to the equation is x = -10.

By signing up, you agree to our Terms of Service and Privacy Policy

Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.