solve 2y - 1 = 14 - y
Answers
Answer:
Rearrange terms
2
−
1
=
1
4
−
2y-1={\color{#c92786}{14-y}}
2y−1=14−y
2
−
1
=
−
+
1
4
2y-1={\color{#c92786}{-y+14}}
2y−1=−y+14
2
Add
1
1
1
to both sides of the equation
2
−
1
=
−
+
1
4
2y-1=-y+14
2y−1=−y+14
2
−
1
+
1
=
−
+
1
4
+
1
2y-1+{\color{#c92786}{1}}=-y+14+{\color{#c92786}{1}}
2y−1+1=−y+14+1
3
Simplify
Add the numbers
Add the numbers
2
=
−
+
1
5
2y=-y+15
2y=−y+15
4
Add
y
y
to both sides of the equation
2
=
−
+
1
5
2y=-y+15
2y=−y+15
2
+
=
−
+
1
5
+
2y+{\color{#c92786}{y}}=-y+15+{\color{#c92786}{y}}
2y+y=−y+15+y
5
Simplify
Combine like terms
Combine like terms
3
=
1
5
3y=15
3y=15
6
Divide both sides of the equation by the same term
3
=
1
5
3y=15
3y=15
3
3
=
1
5
3
\frac{3y}{{\color{#c92786}{3}}}=\frac{15}{{\color{#c92786}{3}}}
33y=315
7
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
=
5
Step-by-step explanation:
2y-1=14-y
2y+y=14+1 (by transposing terms)
3y=15
y=15/3
therefore y=5.