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timama [110]
3 years ago
12

Simplify 7(3y-5)+2(4y+3)

Mathematics
2 answers:
Vesna [10]3 years ago
6 0

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{29y - 29}}}}}

Step-by-step explanation:

\sf{7(3y - 5) + 2(4y + 3)}

Distribute 7 through the parentheses

Similarly , distribute 2 through the parentheses

\dashrightarrow{ \sf{21y - 35 + 8y + 6}}

Collect like terms

\dashrightarrow{ \sf{21y + 8y - 35 + 6}}

\dashrightarrow{ \sf{29y - 35 + 6}}

Calculate

\dashrightarrow{ \sf{29y - 29}}

Hope I helped!

Best regards! :D

laila [671]3 years ago
4 0

Step-by-step explanation:

7*3y - 7*5 + 2*4y + 12

= 21y - 35 + 8y + 6

= 29y - 29

= 29(y-1)

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What is an equation of the line that passes through the point (-7, -6) and is parallel to the line x-y=7?
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Answer:

Step-by-step explanation:

For two lines to be parallel their slopes must be equal. For two lines to be perpendicular their slopes must be the negative reciprocal of each other.

Step 1 Find the slope of the equation.

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For x-y = 7, move the x to the left; therefore subtract the x from both sides. this leaves you  -y = -x + 7

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Finally, substitute the m and b in the slope-intercept form

            y = (1)x + 1 or y = x +1

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