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Naily [24]
2 years ago
13

Solve the equation 4x - 6 = x + 3. Check your solution.

Mathematics
2 answers:
eimsori [14]2 years ago
5 0
,
4x - 6 = x + 3

4x - x = 3 + 6

3x = 9

Divide by 3

x = 3
motikmotik2 years ago
4 0
<span>4x - 6 = x + 3

Subtract x from each side
</span><span><span><span><span>4x</span>−6</span>−x</span>=<span><span>x+3</span>−<span>x
<span><span><span>3x</span>−6</span>=<span>3
</span></span>
Add 6 to each side
<span><span><span><span>3x</span>−6</span>+6</span>=<span>3+<span>6
<span><span>3x</span>=<span>9

Divide each side by 3
3x ÷ 3 = 9 ÷ 3
x = 3
============================================================
Checking work....

Substitute 3 for x in the equation and solve
<span>4(3)- 6 = (3) + 3
12 - 6 = 3 + 3
6 = 6
This is true, so 3 is x</span></span></span></span></span></span></span></span></span>
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