Solving equations by distributing
4(x+2)=20
+ 8 = 20
4x =
=
x=
2(3x+5)=40
+ 10 = 40
6x =
=
x=
5(2x-7)=15
-35 = 15
6x =
=
x=
-2(8x+6)=20
-16x =
-12 = 20
=
x=
-(9x-4)=-5
-9x =
+4 = -5
=
x=
-5(3x-9)=10
-15x =
=10
=
x=
3(3x-7)+4=10
9x
-
9x=
=
+4=10
=10
x=
-2(4x-11)-7=-17

-8x

-8x=

+

=
-7=-17
=-17
x=
-7(2x-6)+3x=-13
-11x=

+

=

+42=-13

+3x=-13
x=
8(3x-5)-7x=14
27x=

-

=

-40=14

+3x=14
x=
Otros exámenes de interés :

Examen creado con That Quiz — donde se practican las matemáticas.