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Solve 4x + 3 = 7

The solution of 4x + 3 = 7 is x = 1.

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The lines y = 4x + 3 and y = 7 meet at x = 1-4-2246-20-10102030x = 1y = 4x + 3y = 7
The lines y = 4x + 3 and y = 7 meet at x = 1. 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+3=74x + 3 = 7
  2. 2

    Subtract 3 from both sides:

    4x+3−3=7−3 ⇒ 4x=44x + 3 - 3 = 7 - 3 \ \Rightarrow\ 4x = 4
  3. 3

    Divide both sides by 4:

    4x4=44 ⇒ x=1\frac{4x}{4} = \frac{4}{4} \ \Rightarrow\ x = 1
  4. 4

    Check: put x = 1 back into the equation.

    4⋅1+3=4+3=7✓4\cdot1 + 3 = 4 + 3 = 7 \checkmark
LaTeX source of the formulas on this page
\[ 4x + 3 = 7\ \Rightarrow\ x = 1 \]
\[ 4x + 3 = 7 \]
\[ 4x + 3 - 3 = 7 - 3 \ \Rightarrow\ 4x = 4 \]
\[ \frac{4x}{4} = \frac{4}{4} \ \Rightarrow\ x = 1 \]
\[ 4\cdot1 + 3 = 4 + 3 = 7 \checkmark \]

Trying values of x in 4x + 3 = 7

x4x + 3Equals 7?
-1-1no
03no
17yes
211no
315no

Questions

What is x in 4x + 3 = 7?

The solution of 4x + 3 = 7 is x = 1.

How do you solve 4x + 3 = 7?

Subtract 3 from both sides to get 4x = 4, then divide both sides by 4 to get x = 1.

How do I check the answer?

Replace x by 1: 4(1) + 3 = 7, which is 7.

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    Solve 4x + 3 = 7: x = 1 (steps and check) | WordGPT