0.4(5+2x)-0.5=3(0.3+0.7)

Solution for 0.4(5+2x)-0.5=3(0.3+0.7) equation:

Simplifying
0.4(5 + 2x) + -0.5 = 3(0.3 + 0.7)
(5 * 0.4 + 2x * 0.4) + -0.5 = 3(0.3 + 0.7)
(2 + 0.8x) + -0.5 = 3(0.3 + 0.7)

Reorder the terms:
2 + -0.5 + 0.8x = 3(0.3 + 0.7)

Combine like terms: 2 + -0.5 = 1.5
1.5 + 0.8x = 3(0.3 + 0.7)

Combine like terms: 0.3 + 0.7 = 1
1.5 + 0.8x = 3(1)

Multiply 3 * 1
1.5 + 0.8x = 3

Solving
1.5 + 0.8x = 3

Solving for variable 'x'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + 0.8x = 3 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + 0.8x = 3 + -1.5
0.8x = 3 + -1.5

Combine like terms: 3 + -1.5 = 1.5
0.8x = 1.5

Divide each side by '0.8'.
x = 1.875

Simplifying
x = 1.875