solve a+2b=5,. 2a-2b=4
Answers
Answered by
1
Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
a
=
7.5
,
b
=
−
1.25
Answered by
0
Answer:
a=3 b=1
Step-by-step explanation:
a+2b=5
2a-2b=4
a=3
b=1
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