Question

Which ordered pair makes the equation y = 4 x + 21 true?

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Answer 1

Answer: x=

1

4

y+

−21

4

Step-by-step explanation:

Let's solve for x.

y=4x+21

Step 1: Flip the equation.

4x+21=y

Step 2: Add -21 to both sides.

4x+21+−21=y+−21

4x=y−21

Step 3: Divide both sides by 4.

4x

4

=

y−21

4

x=

1

4

y+

−21

4