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Solve 6x + 4 = 124

The solution of 6x + 4 = 124 is x = 20.

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The lines y = 6x + 4 and y = 124 meet at x = 201416182022242690100110120130140150160x = 20y = 6x + 4y = 124
The lines y = 6x + 4 and y = 124 meet at x = 20. The solution of the equation is the x-coordinate of the point where the two sides are equal.

How to work it out

  1. 1

    The goal is to get x alone. Undo the operations in the opposite order: first the addition, then the multiplication.

    6x+4=1246x + 4 = 124
  2. 2

    Subtract 4 from both sides:

    6x+4−4=124−4 ⇒ 6x=1206x + 4 - 4 = 124 - 4 \ \Rightarrow\ 6x = 120
  3. 3

    Divide both sides by 6:

    6x6=1206 ⇒ x=20\frac{6x}{6} = \frac{120}{6} \ \Rightarrow\ x = 20
  4. 4

    Check: put x = 20 back into the equation.

    6⋅20+4=120+4=124✓6\cdot20 + 4 = 120 + 4 = 124 \checkmark
LaTeX source of the formulas on this page
\[ 6x + 4 = 124\ \Rightarrow\ x = 20 \]
\[ 6x + 4 = 124 \]
\[ 6x + 4 - 4 = 124 - 4 \ \Rightarrow\ 6x = 120 \]
\[ \frac{6x}{6} = \frac{120}{6} \ \Rightarrow\ x = 20 \]
\[ 6\cdot20 + 4 = 120 + 4 = 124 \checkmark \]

Trying values of x in 6x + 4 = 124

x6x + 4Equals 124?
18112no
19118no
20124yes
21130no
22136no

Questions

What is x in 6x + 4 = 124?

The solution of 6x + 4 = 124 is x = 20.

How do you solve 6x + 4 = 124?

Subtract 4 from both sides to get 6x = 120, then divide both sides by 6 to get x = 20.

How do I check the answer?

Replace x by 20: 6(20) + 4 = 124, which is 124.

Similar equations

    Solve 6x + 4 = 124: x = 20 (steps and check) | WordGPT