Solve 3x − 14 = 37

The solution of 3x − 14 = 37 is x = 17.

3x - 14 = 37\ \Rightarrow\ x = 17

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The lines y = 3x − 14 and y = 37 meet at x = 17. 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.
$3x - 14 = 37$
2
Add 14 to both sides:
$3x - 14 + 14 = 37 + 14 \ \Rightarrow\ 3x = 51$
3
Divide both sides by 3:
$\frac{3x}{3} = \frac{51}{3} \ \Rightarrow\ x = 17$
4
Check: put x = 17 back into the equation.
$3\cdot17 - 14 = 51 - 14 = 37 \checkmark$

LaTeX source of the formulas on this page

\[ 3x - 14 = 37\ \Rightarrow\ x = 17 \]
\[ 3x - 14 = 37 \]
\[ 3x - 14 + 14 = 37 + 14 \ \Rightarrow\ 3x = 51 \]
\[ \frac{3x}{3} = \frac{51}{3} \ \Rightarrow\ x = 17 \]
\[ 3\cdot17 - 14 = 51 - 14 = 37 \checkmark \]

Trying values of x in 3x − 14 = 37

x	3x − 14	Equals 37?
15	31	no
16	34	no
17	37	yes
18	40	no
19	43	no

Questions

What is x in 3x − 14 = 37?

The solution of 3x − 14 = 37 is x = 17.

How do you solve 3x − 14 = 37?

Add 14 to both sides to get 3x = 51, then divide both sides by 3 to get x = 17.

How do I check the answer?

Replace x by 17: 3(17) − 14 = 37, which is 37.

Solve 3x − 14 = 37

How to work it out

Trying values of x in 3x − 14 = 37

Questions

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