Math

QuestionSolve for mm in the equation: 251=m8(5m7)251 = m - 8(5m - 7).

Studdy Solution

STEP 1

Assumptions1. The equation is 251=m8(5m7)251=m-8(5 m-7). We need to solve for mm

STEP 2

First, we need to distribute the 8-8 to both terms inside the parentheses.
251=m85m+87251 = m -8 \cdot5m +8 \cdot7

STEP 3

implify the equation by performing the multiplication.
251=m40m+56251 = m -40m +56

STEP 4

Combine like terms on the right side of the equation.
251=39m+56251 = -39m +56

STEP 5

To isolate mm, first move the constant term from the right side of the equation to the left side by subtracting 5656 from both sides.
25156=39m251 -56 = -39m

STEP 6

Perform the subtraction on the left side of the equation.
195=39m195 = -39m

STEP 7

To solve for mm, divide both sides of the equation by 39-39.
m=19539m = \frac{195}{-39}

STEP 8

Perform the division to find the value of mm.
m=5m = -5So, the solution to the equation 251=m8(5m7)251=m-8(5 m-7) is m=5m = -5.

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