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01-02-2018
Mathematics

contestada

solve the system by substitution

6x+2y=26
x=6y+21

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Аноним Аноним

01-02-2018

Substitute x = 6y + 21 into the first equation:-
6(6y+21) + 2y = 26
36y + 126 + 2y = 26
38y = -100
y = -2.63
x = 6(-2.63) + 21 = 5.22

answer (-2.63, 5.22) to nearest hundredth

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