Solve 5x − 2 = 53

The solution of 5x − 2 = 53 is x = 11.

5x - 2 = 53\ \Rightarrow\ x = 11

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The lines y = 5x − 2 and y = 53 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.
$5x - 2 = 53$
2
Add 2 to both sides:
$5x - 2 + 2 = 53 + 2 \ \Rightarrow\ 5x = 55$
3
Divide both sides by 5:
$\frac{5x}{5} = \frac{55}{5} \ \Rightarrow\ x = 11$
4
Check: put x = 11 back into the equation.
$5\cdot11 - 2 = 55 - 2 = 53 \checkmark$

LaTeX source of the formulas on this page

\[ 5x - 2 = 53\ \Rightarrow\ x = 11 \]
\[ 5x - 2 = 53 \]
\[ 5x - 2 + 2 = 53 + 2 \ \Rightarrow\ 5x = 55 \]
\[ \frac{5x}{5} = \frac{55}{5} \ \Rightarrow\ x = 11 \]
\[ 5\cdot11 - 2 = 55 - 2 = 53 \checkmark \]

Trying values of x in 5x − 2 = 53

x	5x − 2	Equals 53?
9	43	no
10	48	no
11	53	yes
12	58	no
13	63	no

Questions

What is x in 5x − 2 = 53?

The solution of 5x − 2 = 53 is x = 11.

How do you solve 5x − 2 = 53?

Add 2 to both sides to get 5x = 55, then divide both sides by 5 to get x = 11.

How do I check the answer?

Replace x by 11: 5(11) − 2 = 53, which is 53.

Solve 5x − 2 = 53

How to work it out

Trying values of x in 5x − 2 = 53

Questions

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