dannyboy1972 dannyboy1972

01-12-2016
Mathematics

contestada

a+b=2x-2 and a-b=4x-8 find a and b

Respuesta :

charstar charstar

01-12-2016

a+b=2x-2
a-b=4x-8
a=6x-10
a=4x-8+b
6x-10=4x-8+b
2x-10=b-8
2x+2=b
2x-2=b-4
a+b=b-4
a=-4
-4=6x-10
6=6x
x=1
2-2=b-4
0=b-4
4=b

a=-4
b=4

Hope this helps :)

Answer Link

Otras preguntas

one half times (four plus eight)

Simple pleaseThe Georgia State Constitution is divided into_Articles.

Which of the following is a research question that arises most naturalithis discussion?A. How do readers know that Elizabeth and Darcy will entogether?B. How ha

In the State of California, the Progressive Movement was largely in response to which interest? Select one: a. The wine industry b. The Railroad c. The Tech

Which group fought to give women the right to vote? A) Suffragists B) Grangers C) Populist Party D) Temperance Movement

When the economy suffers a downturn and the incomes of many people decrease, vacationers are more likely to take car trips than to fly. Which statement provides

____ evaluation is when each part of an expression that uses an operator is evaluated only as far as necessary to determine whether the entire expression is tru

What did the Social Security Act do pLZZZ HURRY

A store is having a sale on jelly beans and trail mix. For 6 pounds of jelly beans and 2 pounds of trail mix, the total cost is $14. For 3 pounds of jelly beans

Jo lifts a 330 N cement block 3.6 m (using a system of pulleys) by pulling 16 m of rope with a force of 121 N. a. What is the mechanical advantage of the pulle