4 years ago

1)BRAINLIEST + 15 POINTS :)

Mathematics

2 answers:

Daniel [21]4 years ago

5 0

Answer:

14x+7 = 30

Step-by-step explanation:

7y +6 = 36

y = 2x+1

Substitute the second equation into the first for y

7(2x+1) +6 =36

Distribute

14x+7 +6 = 36

14x+13 =36

Subtract 6 from each side

14x+13 -6 = 36-6

14x+7 = 30

Zigmanuir [339]4 years ago

4 0

Answer:

Step-by-step explanation:

7y + 6 = 36

7(2x + 1) + 6 = 36

14x + 7 + 6 = 36

14x + 13 = 36

14x + 13 - 6 = 36 - 6

14x + 7 = 30

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