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6(-3)-1-51+131=
-18-1-51+131=
-70+131=61
Step-by-step explanation:
135 = 5m
5m = 135
m = 135/5
m = 27
(1/4)x+1=32
(1/4)x=31
X=31*4
X=124
Answer:
A. Multiply 3x−3y=1 by 2, and multiply −2x+4y=2 by 3.
Step-by-step explanation:
Given


Required
A good first step
A good first step is to eliminate x and this is done as follows:
Multiply
by 2 (gotten from coefficient of x in the second equation)
Multiply
by 3 (gotten from coefficient of x in the first equation)
This gives:


Add both equations



<em>Hence (a), is true</em>