3x-y=7 solve for x and y
Answers
Answered by
1
x
=
(
−
y
+
7
3
)
Explanation:
To begin isolating x, use algebraic manipulation to begin moving everything to the opposite side as the x term.
Begin by moving the y term.
(
3
x
+
y
=
7
)
=
(
3
x
=
−
y
+
7
)
Next, divide both sides by 3
(
3
x
=
−
y
+
7
)
=
(
−
y
+
7
3
)
If you need the answer in slope intercept form just break the fractions apart and rewrite the
−
y
3
term as
−
1
3
y
x
=
−
1
3
y
+
7
3
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