Solve 6x − 13 = −13

The solution of 6x − 13 = −13 is x = 0.

6x - 13 = -13\ \Rightarrow\ x = 0

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The lines y = 6x − 13 and y = -13 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.
$6x - 13 = -13$
2
Add 13 to both sides:
$6x - 13 + 13 = -13 + 13 \ \Rightarrow\ 6x = 0$
3
Divide both sides by 6:
$\frac{6x}{6} = \frac{0}{6} \ \Rightarrow\ x = 0$
4
Check: put x = 0 back into the equation.
$6\cdot0 - 13 = 0 - 13 = -13 \checkmark$

LaTeX source of the formulas on this page

\[ 6x - 13 = -13\ \Rightarrow\ x = 0 \]
\[ 6x - 13 = -13 \]
\[ 6x - 13 + 13 = -13 + 13 \ \Rightarrow\ 6x = 0 \]
\[ \frac{6x}{6} = \frac{0}{6} \ \Rightarrow\ x = 0 \]
\[ 6\cdot0 - 13 = 0 - 13 = -13 \checkmark \]

Trying values of x in 6x − 13 = −13

x	6x − 13	Equals -13?
-2	-25	no
-1	-19	no
0	-13	yes
1	-7	no
2	-1	no

Questions

What is x in 6x − 13 = −13?

The solution of 6x − 13 = −13 is x = 0.

How do you solve 6x − 13 = −13?

Add 13 to both sides to get 6x = 0, then divide both sides by 6 to get x = 0.

How do I check the answer?

Replace x by 0: 6(0) − 13 = -13, which is -13.

Solve 6x − 13 = −13

How to work it out

Trying values of x in 6x − 13 = −13

Questions

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