Question

CALCULE:
A) 4x+4=2x+7=

B) 6x+4=7

C) x=3x -4

D) 5x+23=98

E) 8x-50=102

F) 12x-51=309

G)64+4x=148

Answer 1

A)4x-2x=7-4
2x=3
X=3/2

B)6x=7-4
6x=3
X=2

C)x=3x-4
X-3x=4
2x=4
X=2

D) 5x+23=98
5x=98-23
5x=75
X=15

E)8x-50=102
8x=102+50
8x=152
X=152÷8
X=19

F)12x-51-309
12x-360
X=360/12
X=30

G)64+4x=148
4x=148-64
4x=84
X=84/4
X=21