3 years ago

45 less than a number m is −78

Mathematics

1 answer:

Sphinxa [80]3 years ago

7 0

m = -33

Step-by-step explanation:

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How to solve 19= -37 + 8x

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Answer:

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A tree is 4 meters tall. About how tall is the tree in feet (ft)? (1 meter is approximately 39 inches.) A) 156 ft B) 15.5 ft C)

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3 years ago

Read 2 more answers

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen

alexandr1967 [171]

The new equation after the expression equivalent to x from the first equation is substituted into the second equation is: $2(-4y-9)+5y=-6$

Step-by-step explanation:

We will solve the initial steps for substitution method for finding the correct answer

Given equations are:

$x+4y = -9\ \ \ \ Eqn1\\2x+5y=-6\ \ \ Eqn2$

From equation one

$x+4y = -9\\x+4y-4y = -9-4y\\x = -4y-9$

Putting x = -4y-9 in equation 2

$2(-4y-9)+5y=-6$

Hence,

The new equation after the expression equivalent to x from the first equation is substituted into the second equation is: $2(-4y-9)+5y=-6$

Keywords: Linear equations, variables

Learn more about linear equations at:

#LearnwithBrainly

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