Solve 2x − 14 = −14

The solution of 2x − 14 = −14 is x = 0.

2x - 14 = -14\ \Rightarrow\ x = 0

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The lines y = 2x − 14 and y = -14 meet at x = 0. The solution of the equation is the x-coordinate of the point where the two sides are equal.

How to work it out

1
The goal is to get x alone. Undo the operations in the opposite order: first the subtraction, then the multiplication.
$2x - 14 = -14$
2
Add 14 to both sides:
$2x - 14 + 14 = -14 + 14 \ \Rightarrow\ 2x = 0$
3
Divide both sides by 2:
$\frac{2x}{2} = \frac{0}{2} \ \Rightarrow\ x = 0$
4
Check: put x = 0 back into the equation.
$2\cdot0 - 14 = 0 - 14 = -14 \checkmark$

LaTeX source of the formulas on this page

\[ 2x - 14 = -14\ \Rightarrow\ x = 0 \]
\[ 2x - 14 = -14 \]
\[ 2x - 14 + 14 = -14 + 14 \ \Rightarrow\ 2x = 0 \]
\[ \frac{2x}{2} = \frac{0}{2} \ \Rightarrow\ x = 0 \]
\[ 2\cdot0 - 14 = 0 - 14 = -14 \checkmark \]

Trying values of x in 2x − 14 = −14

x	2x − 14	Equals -14?
-2	-18	no
-1	-16	no
0	-14	yes
1	-12	no
2	-10	no

Questions

What is x in 2x − 14 = −14?

The solution of 2x − 14 = −14 is x = 0.

How do you solve 2x − 14 = −14?

Add 14 to both sides to get 2x = 0, then divide both sides by 2 to get x = 0.

How do I check the answer?

Replace x by 0: 2(0) − 14 = -14, which is -14.

Solve 2x − 14 = −14

How to work it out

Trying values of x in 2x − 14 = −14

Questions

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