blonde5589 blonde5589

26-02-2016
Mathematics

contestada

simplify the expression if possible by combining like terms 9(X+5)+7(X-3)

Respuesta :

apologiabiology apologiabiology

26-02-2016

so you do
distribute
a(b+c)=ab+ac
9(x+5)=9x+9 times 5=9x+45

7(x-3)=7x+7 times -3=7x-21

so now we have
9x+45+7x-21
group like terms
9x+7x+45-21
add
16x+24

simplified is 16x+24

Answer Link

Otras preguntas

Solve 1 over 36 = 6x−3. (1 point) x = −5 x = negative 3 over 2 x = 7 over 2 x = 1

The smooth ER differs from the rough ER in that: A. The rough ER is the site of mRNA transcription, smooth ER is the site of protein translation. B. The r

what is the 30th term of the sequence 7, 16, 25, 34...?

Stuart runs with his brother each morning, and they are able to talk about their plans for the day in short bursts of conversation. Which best describes their h

(please help! brainliest and 20pts!) Use examples from the lessons and your own personal experiences to compose at least one well-developed paragraph on the fo

Find the equation of the circle that has a diameter with endpoints located at (-3,6) and (9,6)

Find the area of the trapezoid

Is a pansy, hydrangea, and sunflower a monocot or dicot plant?

A telescope contains both a parabolic mirror and a hyperbolic mirror. They share focus Upper F 1, which is 46 feet above the vertex of the parabola. The hyper

When cytochrome c molecules are compared, yeasts and molds are found to differ by approximately 46 amino acids per 100 residues (amino acids in the protein); in