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Solving for x
This task is about solving equations for
x
.
Question
a) Select the correct solution for the equation:
2
x
+ 3 = 6
x
=
^{1}
/
_{2}
x
= 1
x
= 1
^{1}
/
_{2}
x
= 2
x
= 2
^{1}
/
_{2}
x
= 3
x
= 3
^{1}
/
_{2}
x
= 4
x
= 4
^{1}
/
_{2}
x
= 5
Question
b) Select the correct solution for the equation:
3 – 4
x
=
^{– }
7
x
=
^{1}
/
_{2}
x
= 1
x
= 1
^{1}
/
_{2}
x
= 2
x
= 2
^{1}
/
_{2}
x
= 3
x
= 3
^{1}
/
_{2}
x
= 4
x
= 4
^{1}
/
_{2}
x
= 5
Question
c) Select the correct solution for the equation:
⁻4 + 5
x
= 11
x
=
^{1}
/
_{2}
x
= 1
x
= 1
^{1}
/
_{2}
x
= 2
x
= 2
^{1}
/
_{2}
x
= 3
x
= 3
^{1}
/
_{2}
x
= 4
x
= 4
^{1}
/
_{2}
x
= 5
Question
d) Select the correct solution for the equation:
6 + 3
x
= 9
x
=
^{1}
/
_{2}
x
= 1
x
= 1
^{1}
/
_{2}
x
= 2
x
= 2
^{1}
/
_{2}
x
= 3
x
= 3
^{1}
/
_{2}
x
= 4
x
= 4
^{1}
/
_{2}
x
= 5
Question
e) Select the correct solution for the equation:
8
x
– 2 = 2
x
=
^{1}
/
_{2}
x
= 1
x
= 1
^{1}
/
_{2}
x
= 2
x
= 2
^{1}
/
_{2}
x
= 3
x
= 3
^{1}
/
_{2}
x
= 4
x
= 4
^{1}
/
_{2}
x
= 5
Question
f) Select the correct solution for the equation:
6 –
x
= 2.5
x
=
^{1}
/
_{2}
x
= 1
x
= 1
^{1}
/
_{2}
x
= 2
x
= 2
^{1}
/
_{2}
x
= 3
x
= 3
^{1}
/
_{2}
x
= 4
x
= 4
^{1}
/
_{2}
x
= 5