Solve 5x + 14 = −36

The solution of 5x + 14 = −36 is x = -10.

5x + 14 = -36\ \Rightarrow\ x = -10

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The lines y = 5x + 14 and y = -36 meet at x = -10. 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 addition, then the multiplication.
$5x + 14 = -36$
2
Subtract 14 from both sides:
$5x + 14 - 14 = -36 - 14 \ \Rightarrow\ 5x = -50$
3
Divide both sides by 5:
$\frac{5x}{5} = \frac{-50}{5} \ \Rightarrow\ x = -10$
4
Check: put x = -10 back into the equation.
$5\cdot(-10) + 14 = -50 + 14 = -36 \checkmark$

LaTeX source of the formulas on this page

\[ 5x + 14 = -36\ \Rightarrow\ x = -10 \]
\[ 5x + 14 = -36 \]
\[ 5x + 14 - 14 = -36 - 14 \ \Rightarrow\ 5x = -50 \]
\[ \frac{5x}{5} = \frac{-50}{5} \ \Rightarrow\ x = -10 \]
\[ 5\cdot(-10) + 14 = -50 + 14 = -36 \checkmark \]

Trying values of x in 5x + 14 = −36

x	5x + 14	Equals -36?
-12	-46	no
-11	-41	no
-10	-36	yes
-9	-31	no
-8	-26	no

Questions

What is x in 5x + 14 = −36?

The solution of 5x + 14 = −36 is x = -10.

How do you solve 5x + 14 = −36?

Subtract 14 from both sides to get 5x = -50, then divide both sides by 5 to get x = -10.

How do I check the answer?

Replace x by -10: 5(-10) + 14 = -36, which is -36.

Solve 5x + 14 = −36

How to work it out

Trying values of x in 5x + 14 = −36

Questions

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