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Solving Multi-Step Equations
Choose Course
Algebra 1
One-Variable Equations
Solving Multi-Step Equations
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Solving Multi-Step Equations 1.4 - Solution
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Return to Solving Multi-Step Equations
a
Subtract
6
6
6
from both sides of the equation and then divide by
3.
3.
3
.
3
x
+
6
=
24
3x+6 = 24
3
x
+
6
=
2
4
SubEqn
LHS
−
6
=
RHS
−
6
\text{LHS}-6=\text{RHS}-6
LHS
−
6
=
RHS
−
6
3
x
=
18
3x= 18
3
x
=
1
8
DivEqn
LHS
/
3
=
RHS
/
3
\left.\text{LHS}\middle/3\right.=\left.\text{RHS}\middle/3\right.
LHS
/
3
=
RHS
/
3
x
=
6
x = 6
x
=
6
b
Add 9 to both sides of the equation and then multiply both sides by 2.
y
2
−
9
=
1
\dfrac{y}{2}-9 = 1
2
y
−
9
=
1
AddEqn
LHS
+
9
=
RHS
+
9
\text{LHS}+9=\text{RHS}+9
LHS
+
9
=
RHS
+
9
y
2
=
10
\dfrac{y}{2} = 10
2
y
=
1
0
MultEqn
LHS
⋅
2
=
RHS
⋅
2
\text{LHS} \cdot 2=\text{RHS}\cdot 2
LHS
⋅
2
=
RHS
⋅
2
y
=
20
y = 20
y
=
2
0