Solve 6x − 14 = −56

The solution of 6x − 14 = −56 is x = -7.

6x - 14 = -56\ \Rightarrow\ x = -7

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The lines y = 6x − 14 and y = -56 meet at x = -7. 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.
$6x - 14 = -56$
2
Add 14 to both sides:
$6x - 14 + 14 = -56 + 14 \ \Rightarrow\ 6x = -42$
3
Divide both sides by 6:
$\frac{6x}{6} = \frac{-42}{6} \ \Rightarrow\ x = -7$
4
Check: put x = -7 back into the equation.
$6\cdot(-7) - 14 = -42 - 14 = -56 \checkmark$

LaTeX source of the formulas on this page

\[ 6x - 14 = -56\ \Rightarrow\ x = -7 \]
\[ 6x - 14 = -56 \]
\[ 6x - 14 + 14 = -56 + 14 \ \Rightarrow\ 6x = -42 \]
\[ \frac{6x}{6} = \frac{-42}{6} \ \Rightarrow\ x = -7 \]
\[ 6\cdot(-7) - 14 = -42 - 14 = -56 \checkmark \]

Trying values of x in 6x − 14 = −56

x	6x − 14	Equals -56?
-9	-68	no
-8	-62	no
-7	-56	yes
-6	-50	no
-5	-44	no

Questions

What is x in 6x − 14 = −56?

The solution of 6x − 14 = −56 is x = -7.

How do you solve 6x − 14 = −56?

Add 14 to both sides to get 6x = -42, then divide both sides by 6 to get x = -7.

How do I check the answer?

Replace x by -7: 6(-7) − 14 = -56, which is -56.

Solve 6x − 14 = −56

How to work it out

Trying values of x in 6x − 14 = −56

Questions

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