Mathematics, 14.01.2021 18:20, wirchakethan23

The steps used to solve an equation are shown below. Step Process Justification 1 Given 3(x - 2) - (1 - 4) = 12 3r - 6-x+4 = 12 2 Distributive Property 3 2x - 2 = 12 Combine Like Items 4 2x - 2 +2 = 12 +2 ? un 2x = 14 Simplify 21 6 2 2 Division Property of Equality Simplify 7 r = 7 Which property can be used to justify Step 4? Commutative Property of Addition Subtraction Property of Equality Addition Property of Equality Inverse Operation Property

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:30, love0000

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Answers: 1

continue

Mathematics, 21.06.2019 18:30, alleahbethea199

Divide. write in the simplest form. 4 1/6 divided by 10

Answers: 2

continue

Mathematics, 21.06.2019 18:30, zovav1oszg9z

Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation.

Answers: 1

continue

Mathematics, 21.06.2019 22:00, lkarroum3733

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Answers: 2

continue

Do you know the correct answer?

The steps used to solve an equation are shown below. Step Process Justification 1 Given 3(x - 2) - (...