Solve 4x − 10 = 34

The solution of 4x − 10 = 34 is x = 11.

4x - 10 = 34\ \Rightarrow\ x = 11

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The lines y = 4x − 10 and y = 34 meet at x = 11. 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.
$4x - 10 = 34$
2
Add 10 to both sides:
$4x - 10 + 10 = 34 + 10 \ \Rightarrow\ 4x = 44$
3
Divide both sides by 4:
$\frac{4x}{4} = \frac{44}{4} \ \Rightarrow\ x = 11$
4
Check: put x = 11 back into the equation.
$4\cdot11 - 10 = 44 - 10 = 34 \checkmark$

LaTeX source of the formulas on this page

\[ 4x - 10 = 34\ \Rightarrow\ x = 11 \]
\[ 4x - 10 = 34 \]
\[ 4x - 10 + 10 = 34 + 10 \ \Rightarrow\ 4x = 44 \]
\[ \frac{4x}{4} = \frac{44}{4} \ \Rightarrow\ x = 11 \]
\[ 4\cdot11 - 10 = 44 - 10 = 34 \checkmark \]

Trying values of x in 4x − 10 = 34

x	4x − 10	Equals 34?
9	26	no
10	30	no
11	34	yes
12	38	no
13	42	no

Questions

What is x in 4x − 10 = 34?

The solution of 4x − 10 = 34 is x = 11.

How do you solve 4x − 10 = 34?

Add 10 to both sides to get 4x = 44, then divide both sides by 4 to get x = 11.

How do I check the answer?

Replace x by 11: 4(11) − 10 = 34, which is 34.

Solve 4x − 10 = 34

How to work it out

Trying values of x in 4x − 10 = 34

Questions

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