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Solve 8x + 4 = 60

The solution of 8x + 4 = 60 is x = 7.

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The lines y = 8x + 4 and y = 60 meet at x = 72468101220406080100x = 7y = 8x + 4y = 60
The lines y = 8x + 4 and y = 60 meet at x = 7. 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.

    8x+4=608x + 4 = 60
  2. 2

    Subtract 4 from both sides:

    8x+4−4=60−4 ⇒ 8x=568x + 4 - 4 = 60 - 4 \ \Rightarrow\ 8x = 56
  3. 3

    Divide both sides by 8:

    8x8=568 ⇒ x=7\frac{8x}{8} = \frac{56}{8} \ \Rightarrow\ x = 7
  4. 4

    Check: put x = 7 back into the equation.

    8⋅7+4=56+4=60✓8\cdot7 + 4 = 56 + 4 = 60 \checkmark
LaTeX source of the formulas on this page
\[ 8x + 4 = 60\ \Rightarrow\ x = 7 \]
\[ 8x + 4 = 60 \]
\[ 8x + 4 - 4 = 60 - 4 \ \Rightarrow\ 8x = 56 \]
\[ \frac{8x}{8} = \frac{56}{8} \ \Rightarrow\ x = 7 \]
\[ 8\cdot7 + 4 = 56 + 4 = 60 \checkmark \]

Trying values of x in 8x + 4 = 60

x8x + 4Equals 60?
544no
652no
760yes
868no
976no

Questions

What is x in 8x + 4 = 60?

The solution of 8x + 4 = 60 is x = 7.

How do you solve 8x + 4 = 60?

Subtract 4 from both sides to get 8x = 56, then divide both sides by 8 to get x = 7.

How do I check the answer?

Replace x by 7: 8(7) + 4 = 60, which is 60.

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    Solve 8x + 4 = 60: x = 7 (steps and check) | WordGPT