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Solve 4x + 6 = 70

The solution of 4x + 6 = 70 is x = 16.

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The lines y = 4x + 6 and y = 70 meet at x = 16101214161820225060708090x = 16y = 4x + 6y = 70
The lines y = 4x + 6 and y = 70 meet at x = 16. 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.

    4x+6=704x + 6 = 70
  2. 2

    Subtract 6 from both sides:

    4x+6−6=70−6 ⇒ 4x=644x + 6 - 6 = 70 - 6 \ \Rightarrow\ 4x = 64
  3. 3

    Divide both sides by 4:

    4x4=644 ⇒ x=16\frac{4x}{4} = \frac{64}{4} \ \Rightarrow\ x = 16
  4. 4

    Check: put x = 16 back into the equation.

    4⋅16+6=64+6=70✓4\cdot16 + 6 = 64 + 6 = 70 \checkmark
LaTeX source of the formulas on this page
\[ 4x + 6 = 70\ \Rightarrow\ x = 16 \]
\[ 4x + 6 = 70 \]
\[ 4x + 6 - 6 = 70 - 6 \ \Rightarrow\ 4x = 64 \]
\[ \frac{4x}{4} = \frac{64}{4} \ \Rightarrow\ x = 16 \]
\[ 4\cdot16 + 6 = 64 + 6 = 70 \checkmark \]

Trying values of x in 4x + 6 = 70

x4x + 6Equals 70?
1462no
1566no
1670yes
1774no
1878no

Questions

What is x in 4x + 6 = 70?

The solution of 4x + 6 = 70 is x = 16.

How do you solve 4x + 6 = 70?

Subtract 6 from both sides to get 4x = 64, then divide both sides by 4 to get x = 16.

How do I check the answer?

Replace x by 16: 4(16) + 6 = 70, which is 70.

Similar equations

    Solve 4x + 6 = 70: x = 16 (steps and check) | WordGPT