Find x in the equations I need them ASAP

a)2x - 7 = 13

2x = 13 + 7

2x = 20 (divide both sides by 2 to get x)

2x/2 = 20/2

x = 10

b)3x + 4 = 25

Reorder the terms:

4 + 3x = 25

Solving

4 + 3x = 25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.

4 + -4 + 3x = 25 + -4

Combine like terms: 4 + -4 = 0

0 + 3x = 25 + -4

3x = 25 + -4

Combine like terms: 25 + -4 = 21

3x = 21

Divide each side by '3'.

x = 7

Simplifying

x = 7

HOPE IT HELPED U :)

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)

idk

step-by-step explanation: