SOLUTION: Hey i have a question i don't know how to do this problems can you help me here it is it is about substitution ok.
1) y=5x-10
y=3x+8
Algebra.Com
Question 127719: Hey i have a question i don't know how to do this problems can you help me here it is it is about substitution ok.
1) y=5x-10
y=3x+8
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
y=5x-10
y=3x+8
.
5x-10=3x+8
5x-3x-10+10=3x-3x+8+10
2x=18
x=9
y=45-10=35
.
Check:
y=27+8 true
.
Ed
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