7+2(4x+3)=21

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Solution for 7+2(4x+3)=21 equation:


Simplifying
7 + 2(4x + 3) = 21

Reorder the terms:
7 + 2(3 + 4x) = 21
7 + (3 * 2 + 4x * 2) = 21
7 + (6 + 8x) = 21

Combine like terms: 7 + 6 = 13
13 + 8x = 21

Solving
13 + 8x = 21

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 8x = 21 + -13

Combine like terms: 13 + -13 = 0
0 + 8x = 21 + -13
8x = 21 + -13

Combine like terms: 21 + -13 = 8
8x = 8

Divide each side by '8'.
x = 1

Simplifying
x = 1

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